EEPOET ON THE PYCNOGONIDA. 



167 



Pycnogonids of the " Kiiiglit Errant," 94. 



Pycnogonids of last English Arctic expedition, 4. 



Pycnogonids of the Mediterranean, 4. 



Pycnogonids of jMozambique, 6. 



Pycnogonids of Xew England, 5. 



Pycnogonids of Xew England and adjacent waters, 



147. 

 Pycnogonids of North America, 5. 

 Pycnogonids of the North Georgian Islands coast, 3. 

 Pycnogonids of Northern Europe, 3, 6. 

 Pycnogonids of the Northern part of the North 



Atlantic, 4. 

 Pycnogonids of the Norwegian coast, 3, 4. 

 Pycnogonids of Port Blair, Andaman Islands, 6. 

 Pycnogonids of Kussian Lapland, 3. 

 Pycnogonids of the second German North Polar 



Expedition, 3. 

 Pycnogonids of Singapore, 6. 

 Pycnogonids of the South Sea, 5. 

 Pycnogonids of the Straits of Magellan, 6. 

 Pycnogonids of the "White Sea, 3. 

 Pycnogonids of the " WiUem Barents," 94. 

 Pycnogonum, 2, 9, 35, 93. 



uustrale, 36. 



ehelatum, 24. 



gwssipes, 44. 



litorale, 7, 35, 99. 



litorale, var. tenue, 36. 



spinipes, 30. 



Quatrefages, A. de, referred to, 4. 



Range, hathymetrical, compared with geographical 



distribution, 10. 

 Range in depth, 7. 



Range, world-wide, of the deep-sea forms, 10. 

 RhopaJorliynclms, 6, 28. 



kroyerii, 28. 

 Rhynchotlwrax, 5, 9, 24. 



mediterranetis, 24. 

 Sars, G. 0., referred to, 4, 95, 97, 144. 



Savigny, J. C, referred to, 2. 

 Savigny, referred to, 14. 

 Sabine, E., referred to, 3. 

 Scceorhynckus, 147. 



arniatus, 147. 

 Scalpdlum, &]>., a commensal of Nymjjhoii rohustion, 



98, 144. 

 Schobl, referred to, 130. 

 Semper, C., referred to, 13, 108, 134. 

 Setse on the integument, 102. 

 Sexual characteristics, external, 130. 

 Slater, H. H., referred to, 6. 

 Smith, referred to, 5. 

 Somatic cavity, 127. 

 Species, catalogue of the, 17. 

 Species, description of the Challenger, 36. 

 Spines on the surface of the body, 104. 

 Spines, denticulated ones, 104. 

 Spines, serrated ones, 104. 

 StLmpson, W., referred to, 5. 

 Summary of the Report, 145. 



Tamjstylum, 6, 9, 27. 



orbieulare, 27. 



styligerum, 27. 

 Testis, 128. 



Testis, microscopical structure of, 130. 

 Threads, given off by the glands in the foot-jaw of 

 the larvaj, 141. 



Verrill, referred to, 5. 



White, A., referred to, 5. 

 Wilson, E. B., referred to, 5, 82, 94, 146. 

 Wood-Mason, J., referred to, 5, 62. 

 WyviUe Thomson, C., referred to, 95. 



Zenker, referred to, 100, 108. 

 Zetes, 3, 9, 25, 88. 



hispiduH, 25. 



spinosa, 26. 



(ZOOL. CHALL. EXP. PART X. 1881.) 



K 23 



