REPOET ON THE AMPHIPODA. 105 



these, which were " less than one-tenth of an inch," he founds the species Cyamus abhrevi- 

 atus, from a Balsena, species unknown. This Ci/amus Liitken considers scarcely recognis- 

 able. Spence Bate says of the specimens in the British Museum " they appear to me to 

 be only the young of Cyamus ovalis." 

 Milne-Edwards, 1840, takes it for granted that Say's Gammarus minus is merely a slip of the 

 pen for Gammarus minimus, and inclines to identify the species with Gammarm fasciatus, 

 which in its turn he considers very near to the French "erevette des ruisseaux." Gammarus 

 inucronahis is transferred by Sp. Bate to Gamm.nracanfhus, but S. I Smith, 1874, objects 

 to this, "for the dorsal margin is not distinctly carinated, and the third, fourth, and fifth 

 segments of the abdomen are furnished with fascicles of spines;" he therefore restores the 

 species to Gammarus. 



1818. Chiereghini, Stefano, born 1745, died 1820 (Nardo). 



Descrizione de' crostacei, de testacei e de' pesci die ahitano le lagime ed il 

 golfo Veneto rappresentati in figure a chiaroscuro ed a colori. Manoscritto in 

 foglio in vol. 12, esistente presso il E. Lieeo di Venezia (Santa Catterina, ora 

 Marco Polo). 



G. 0. Nardo assigns to this work, though still in manuscript, a quasi publication in 1818, about 

 which date it was acquired by the imperial government and consigned to the public library 

 in Venice, where it has been, and still is, consulted by naturaUsts. The first two volumes, 

 Nardo says, treat of Crustacea, one containing the descriptions, the other the figures. The 

 species there described and figured by Chiereghini are sixty-four, thirty-three of which bear 

 the Linnean names, while thirty-one he considered to be new. After certain necessary 

 deductions from this number, Nardo allows Chiereghini the credit of having described and 

 figured twenty-four species, either new, or till then obscure. Among these are two 

 Amphipods, called respectively "Cancer Salectus" and "Cancer Algeusis," for which see 

 note on Nardo, 1847. 



1818. Lamarck. 



Histoire naturelle des Anitnaux sans vert^bres, presentant les caract^res 

 generaux, et particuliers de ces animaux, lenr distribution, leurs classes, leurs 

 families, leurs genres, et la citation des principales espfeces qui s'y rapportent, etc. 

 Tome cinquieme. Paris. Juillet, 1818. 



The Crustacea are the eighth class. The Isopods, the second section, contain, among the 

 loneUes, corresponding to the Phytibranehes of Latreille, Eisso's Ty])his ovnides, which is 

 an Amphipod, along with Anceus, Praniza, Apseudes, and lone. Eisso's Eupheus Hginides 

 becomes Apseudes Krjioides. The " 2."'°'' Coupe " of the Isopods contains les CapreUines, 

 answering to the cystihranches of Latreille. In this group Proto is dropped from the 

 synonymy of Leptomera. The species are Leptomera rubra and Leptomera piedata, both 

 synonyms of Proto (Squilla) ventricosa, 0. F. M. ; Caprella scolopendroides, which Boeck 

 and Kr0yer identify with Caprella (lohata) linearis, but which Mayer thinks undecipherable ; 

 Caprella phasma, now known as Protdla phasma, Montagu ; and Cyamus ceti, which 

 Lamarck says has fewer relations with " Pycnogonon " than was generally supposed, lie 

 notes a second very small, still undescribed species, from the East Indies, as known to 



(ZOOL. CHALL. EXP. PART LXVH. — 1887.) XxX 14 



