The transformations (or metamorphoses) of insects (Insecta, Myriapoda, Arachnida, and Crustacea) - being an adaptation, for English readers, of M. Émile Blanchard's "Metamorphoses, moeurs et instincts (14804697583)

Identifier: transformationso01dunc (find matches)
Title: The transformations (or metamorphoses) of insects (Insecta, Myriapoda, Arachnida, and Crustacea) : being an adaptation, for English readers, of M. Émile Blanchard's "Metamorphoses, moeurs et instincts des insects;" and a compilation from the works of Newport, Charles Darwin, Spence Bate, Fritz Müller, Packard, Lubbock, Stainton, and others
Year: 1870 (1870s)
Authors: Duncan, P. Martin (Peter Martin), 1821-1891 Blanchard, Emile, 1819-1900. Metamorphoses, moeurs et instincts des insects Conger, Paul S., former owner. DSI Abbott, Charles C., former owner. DSI
Subjects: Insects Insects Myriapoda Arachnida Crustacea
Publisher: Philadelphia : Claxton, Remsen, and Haffelfinger
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries



Text Appearing Before Image:
r,he obtained the first stage of lobster life, but could not keep theyoung alive until their metamorphosis into the second. Havingobtained also a young lobster, eight days old, from the Hamburgaquarium, he was able to state that not only is the young hatchedin a form distinct from that of the parent, but that it retains thatform for some time after its birth. The figures on the next page are by M. Gerbe, and the descrip-tions of Spence Bate prove that they are tolerably correct. The &^% is about one-tenth of an inch in diameter, and containsa yolk of a dark, almost black, green colour. The central dark eyeof the embryo is distinctly seen in the earlier days of development,but it is lost when the animal escapes from the q^^. At thisperiod the young Zoca has a short pointed (Fig. 2) rostrum thatis at first bent back, two large eyes situated under the frontpart of the head, and two antennae. It has mandibles withoutjoints, two pairs of maxillae, the third not being yet developed, and
Text Appearing After Image:
ijiiijiiPiWiiiiiiiI life iiiiihi iiw ^ m v.iii,i.^.iii>iiiiiiiiiii THE HOMARUS MARINUS. 457 seven pairs of legs, which are furnished with an oar-Hke branch onthe third joint. The abdomen has six segments only, and noappendages ; and the tail or telson is flat and pointed, with astrong projecting central spine. In Fig. 3 M. Gerbe shows thatthe resemblance to the adult has become greater, but the greatantennae, rostrum, and chelate extremities, and the appendagesof the abdomen, are not yet developed.