164 



THE VOYAGE OF H.M.S. CHALLENGER. 



Crustaceans, 2. 



Grustac.es aranei formes, 2, 17. 

 Crustacea haustellata, 17. 

 Cyamus ceti, 2. 



Davidson, referred to, 8. 

 Deealopoda, 6. 

 Depth, 8. 



Diseoarachne, 9, 29, 74. 



hvpi-ipes, 7, 29, 74. 

 Distribution, geographical, 11. 

 Distribution, geographical, compared with batliymet- 



rical range, 10. 

 Dohrn, A., referred to, 5, 100, 108, 128, 129, 134, 



136, 141. 



Egg, 136. 



Egg-packets, number, 136. 



Eggjjackets, egg in the packet, 136. 



Eggs of parasitic animals in the interior of Nijmphon, 



143. 

 Eggs in capsules in connection with the integument 



of Golossendeis, 143. 

 Eggs, way in which they are laid, 131. 

 Eggs, ovarian, structure and formation, 132. 

 Eights, referred to, 6. 

 Embryos, 139. 



Embryology of the Pyenogouid a, 100, 134. 

 Endeis, 5, 9, 29, 76. 



didnctyla, 29. 



i/racilis, 29. 

 Ej'e, original. 111. 

 Eye, highly developed, 112. 

 Eye, rudimentary, 112. 

 Eyes, 119. 

 Eyes, their occurrence according to the depths they 



inhabit, 120. 

 Eyes, minute structure of, 122. 



Fabricius, J. C, referred to, 2. 



Fabricius, O., referred to, 2. 



Fat-cells, 127 



Fdxichiius pigmcjeus, 35. 



Frey, H., and Leuckart, E., referred to, 4. 



Ganglia, histological structm-e, 119. 



Ganglia, minute structure, 118. 



Ganglia, development of, 139. 



Ganglia, thoracic, 112, 116. 



Ganglia, paired proboscideal, 113. 



Ganglia of the inner surface of the mtegument, 116. 



GangKa, abdominal, 117. 



Ganglion, azygous proboscideal, 110. 



Ganglion, supra-oesophageal, 109. 



GangHou in the course of the ojitic nerve, 111 



Ganglion, first thoracic, 112. 



Ganglionic nerve bundles of the proboscis, 113. 



Ganglionic nerve bundles of the proboscis, function, 



115. 

 Gay, referred to, 6. 

 Genera, list of the, 9. 

 Genital organs, 128. 

 Genital pores, 129. 

 Germ-layers, 138. 

 Glands, female, 131. 

 Glands, male, 128. 

 Glands of the ovigerous legs, 105. 

 Glands of the palpi, 105. 

 Glands of the integument, 101. 

 Glands of the fourth joint of tlie leg of the male, 



106. 

 Glands in the first joint of the foot-jaw of the larvae, 



140. 

 Glands (pancreatic), 125. 

 Gnamptorhynchus, 6, 147. 



ramipes, 25, 56. 

 Goodsu', Harry D. S., referred to, 3, 134. 

 Graber, V., referred to, 123. 

 Grenacher, H., referred to, 121. 

 Grube, E., referred to, 4, 5. 



Hairs on the siu-face of the body, 104. 

 Hannonia, 9, 34, 92. 



typica, 7, 34, 92. 

 Heart, 127. 



Heart, development of the, 138. 

 Heller, C, referred to, 4, 94. 

 Hesse, referred to, 4. 

 Hodge, G., referred to, 3. 



Hoek, P. P. C, referred to, 4, 93, 100, 108, 134. 

 Huxley, referred to, 14, 102. 

 Hydrachna, 1, 2. 



Iiisecta aptera, 1. 



Integument, 100. 



Integumentary glands, 101. 



Integumentary cavities, 102. 



Integumentary cavities, theu' number, 103, 104. 



Intestine, structure of the wall of, 126. 



Jarzynsky, Th., referred to, 3, 6. 

 Johnston, G., referred to, 1, 2, 134. 

 Joints of the legs, names, 16., 



