 | 1879 - 698 Seiten
...edge of the body and the velum in between the edges of the shell, in the manner shown in Figure -15. In this way that surface of the body which lines the...into which the velum can be drawn when the animal IB at rest. While these changes have been going on over thfe outer surface of the body, other important... | |
 | Ernest Ingersoll - 1881 - 302 Seiten
...edge of the body and the velum in between the edges of the shell, in the manner shown iu Figure 45. In this way that surface of the body which lines the...important internal modifications have taken place. We left the digestive tract at the stage shown in Figure 36, without any communication with the exterior.... | |
 | Ernest Ingersoll - 1881 - 306 Seiten
...of tho shell, in tho manner shown in Figure 45. In this way that surface of the body which lines tho shell becomes converted into the two lobes of the...between them a mantle cavity is formed, into which tho velum can bo drawn when the animal is at rest. \Vhilc these changes have been going on over tho... | |
 | William Keith Brooks - 1882 - 410 Seiten
...of the body, as shown in Fig. 172, and at the same time muscular fibres make their appearance, and are so arranged that they can draw the edge of the...important internal modifications have taken place. We left the digestive tract at the stage shown in Fig. 168, without any communication with the exterior.... | |
 | New Jersey. Bureau of Industrial Statistics - 1882 - 468 Seiten
...the edge of the body and the velum in between the edges of the shell, in the manner shown in Fig. 45. In this way that surface of the body which lines the...important internal modifications have taken place. We left the digestive tract at the stage shown in Fig. 36, without any communication with the exterior.... | |
 | United States National Museum - 1884 - 686 Seiten
...the edge of the body and the velum in between the edges of the shell, in the manner shown in Fig. 45. In this way that surface of the body which lines the...important internal modifications have taken place. We left the digestive tract at the stage shown in Fig. 36, without any communication with the exterior.... | |
 | Henry Frank Moore - 1897 - 128 Seiten
...edges of the shells in the manner shown in plate vn. fig. 18. In this way that surface of the hody which lines the shell becomes converted into the two...important internal modifications have taken place. We left the digestive tract at the stage shown in plate v 1 1, fig. 16, without any communication with... | |
 | Caswell Grave - 1904 - 128 Seiten
...the body and the velum in between the edges of the shells in the manner shown in plate vin, fig. 18. In this way that surface of the body which lines the...important internal modifications have taken place. We left the digestive tract at the stage shown in plate vni, fig. 16, without any communication with... | |
 | United States. Bureau of Fisheries - 1905 - 614 Seiten
...the -body and the velum in between the edges of the shells in the manner shown in plate vm, fig. 18. In this way that surface of the body which lines the...important internal modifications have taken place. We left the digestive tract at the stage shown in plate viu, fig. 16, without any communication with... | |
 | 1905 - 614 Seiten
...the body and the velum in between the edges of the shells in the manner shown in plate vm, fig. 18. In this way that surface of the body which lines the...the velum can be drawn when the animal is at rest. \VTiile these changes have been going on over the outer surface of the body other important internal... | |
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In this way that surface of the body which lines the shell becomes converted into the two lobes of the mantle, and between them a mantle cavity is formed, into which the velum can be drawn when the animal is at rest. While these changes have been going... 