210 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



Genus Pontocbates, Boeck. 



PONTOCRATES HAPLOCHELES, Grube. 



Krbyeria haplocheles, Grube, Die Insel Lussin, etc. 

 (1864), p. 72. 



Kroyeria hrevicarpa, Bate and Westwood, Brit. 

 Sess. Crust., vol. ii. (1868), p. 508. 



Pontocrates haplocheles, A. Boeck, Crust, amph. 

 bor. et arct. (1870), p. 92. 



Habitat. — T>redged at Blackwaterfoot, Arran, in 

 five and six fathoms, bottom sand ; and at Kames 

 Bay, C umbrae, in five fathoms, bottom sand. 



Genus T B I T ^ T A, Boeck, 

 TRIT^TA GIBBOSA (Speuce Bate). 



Atylus gibbosus, Spence Bate, Brit. Mus. Catal. 

 Amph. Crust. (1862), p. 137 ; pi. xxvi. fig. 3. — Bate and 

 Westwood, Brit. Sess. Crust., vol. i. (1863), p. 248, 

 with figure. 



Lampra gibbosa, Boeck, Crust, amph. bor. et arct. 

 (1870), p. 108. 



Tritceta gibbosa, Boeck, De Skand. og Arkt. Amph. 

 (1876), p. 318 ; pi. xii. fig. 2. 



Dexamine dolichonyx, Nebeski, Beitrage zur Keiint- 

 niss der Amphipoden der Adria, p. 35, fig. 40. — 

 Chevreux, Extrait du Bulletin de la Society d'Miides 

 scientifiques de Paris, 11*^ annee, l*^"^ semestre 1888, 

 p. 8. 



Tritceta dolichonyx, Stebbing, Challenger Amphipoda 

 (1888), pp. 520, 945. 



Habitat— Dredged near the Tan Buoj^ Cumbrae, 

 in seven fathoms, bottom broken shells and 

 Melobesia. 



The Clyde specimens agree with Dexamine 

 dolichonyx, Nebeski, in having the peculiar incision 

 in the upper or front margin of the hands of one 

 of the gnathopods ; but according to our experience 

 this peculiarity belongs to the first gnathopods, not 

 to the second, to which Nebeski ascribes it. More- 

 over, it has been observed in a female specimen, so 



