140 THE VOYAGE OF H.M.S. CHALLENGEE. 



made synonyms of Hyperia medusarian, Miiller. Straus-Durcklieim gives elaborate de- 

 scriptions and figures of tlie structure, nervous system, etc. For tlie six joints of the leg 

 he uses the terms handle, trochanter, cuisse, jambe, tarse and crochet. 



1830. Bosc, L. A. G. 



Manuel de I'liistoire naturelle des erustaces, etc., Par L. A. G. Bosc. Edition 

 Mise au niveau des connaissances actuelles, par M. A. G. Desmarest. Paris, 1830. 



The Amphipoda are in the second volume of this little work, which, when completely out of 

 date, was refurbished in a confused manner, probably to suit some pnbKsher's purpose 

 rather than the cause of science. The Amphipoda are included in the numbered genera, 

 XLVI. CoropMum, Latr. XLVIl. Talitrus, Latr. XLVIII. Gammarus, Fabr. XLIX. 

 Phronima, Latr. L. Cyanius, Latr. LI. Caprella, Lam. LII. Leiitomera, Latr. LVII. 

 Typhis, Latreille. At p. 106 Leach's genera " Pherusa, Mwra, Melita, Leucothoe, Dexmnine, 

 Atylus, Ampliithoe, etc.," are mentioned as "genres que nous n'adopterons pas." Sixteen 

 species are assigned to Gammams, which include longicornis, gibhosiis, "Esca," "Pherusa," 

 "Medusarum" and "Homari." Goroijhium longieonie had been given In advance. 

 Cyamus ceti " se trouve dans la mer du Nord, non seulement sur les baleines, mais encore 

 sur les maquereaux et autres scombres." 



1830. EscHSCHOLTZ, JoHANN Friedrich, bom Nov. 12, 1793, died May 12, 1831 {Encycl. 

 Brit, 9tli Edition). 



A new voyage round the world, in the j'cars 1823, 24, 25, and 26. By Otto 

 von Kotzebue. London, 1830. Appendix. Review of the Zoological collection of 

 Fr. Eschscholtz. 



At p. 326, Eschscholtz says that while detained in the Baltic they were enabled to use their 

 deep fishing-nets upon the great banks. These brought to light a considerable number of 

 marine animals. Upon the branches of the Spomjia dichotoma sat swarms of Star-fishes and 

 Crustacea, the latter including Caprella scolopendroides, Lam. 



1830. Milne-Edwaeds, Henri. 



Extrait de recherches pour servir k I'histoire naturelle des Crustac^s Amphipodes. 

 (Extrait des Annates des Sciences natureUes, aout 1830). Tom. 20. PI. 10. 11. 

 48 pages. 



The Crustacea are here divided into eleven orders, of which the seventh, eighth and ninth are 

 the Lffimipodes, Isopodes and Amphipodes. Milne-Edwards feels bound to observe that at 

 first he had placed the genera Ehoea and Tanais among the Amphipods, but by Latreille's 

 advice had transferred them to the Isopods, being thus enabled to assign more definite 

 characters to these orders, without making them less natural. Some authors think that he 

 was in this respect ill-advised, and that he would have done better to follow his own 

 judgment. 



The Amphipods he divides into two families, the Crevettines and the Hyperines. When he says 

 that the Crevettines are never parasitic, he is naturally passing no judgment on the habits 

 of Guerinia and Lafystlus or other later discoveries, and the relation of Issea montagui to 

 Maia squinado seems to be only residential, not parasitic. 



