...lifetime ; the hypodermal ones may be changed in some way, and are known to be altered in some instances in a male or female during its lifetime, by sexual or other influences. By sexual influences, for instance, yellow is changed into orange, brown into red (in some Agrion females),...

...having any conclusive importance. The same investigation would be necessary for the hypodermal colors. The hypodermal colors may change or be altered in...other influences. The epidermal colors never change. By sexual influences yellow is changed into orange, brown into red, and even sometimes more changed....

...having any conclusive importance. The same investigation would be necessary for the hypodermal colors. The hypodermal colors may change or be altered in...other influences. The epidermal colors never change. By sexual influences yellow is changed into orange, brown into red, and even sometimes more changed....

...having any conclusive importance. The same investigation would be necessary for the hypodermal colors. The hypodermal colors may change or be altered in...or female during its lifetime, by sexual or other inlluencejS. The epidermal colors never change. By sexual influences yellow is changed into orange,...

...two different ways : either by thin superposed lamellae, as in the wings of Dyptera or Neurpptera, or by many very fine lines or striae in very near...paper read before the American Association for the Advancement of Science, by Professor Andrews, he stated there were three leading varieties of bituminous...

...Dyptera or Neuroptera, or by many very fine lines or striae in very near juxtaposition, as in Apaturt and other color-changing insects ; these colors are...paper read before the American Association for the Advancement of Science, by Professor Andrews, he stated there were three leading varieties of bituminous...

...would be necessary for the hypodermal colours. The hypodermal colours may change or be altered in some male or female during its lifetime, by sexual or other influences. The epidermal colours never change. By sexual influences yellow is changed into orange, brown into red, and even...

...would be necessary for the hypodermal colours. The hypodermal colours may change or be altered in some male or female during its lifetime, by sexual or other influences. The epidermal colours never change. By sexual influences yellow is changed into orange, brown into red, and even...

...Colors due to interference may be produced in two different ways : either by thin superposed lamellae, as in the wings of Dyptera or Neuroptera, or by many...paper read before the American Association for the Advancement of Science, by Professor Andrews, he stated there were three leading varieties of bituminous...

...lifetime; the hypodermal ones may be changed in some way, and are known to be altered iu some instances in a male or female during its lifetime, by sexual or other influences. By sexual influences, for instance, yellow is changed into orange, brown into red (in some Agrion females),...