256 BIOLOGICAL SUR\^Y OF 



Suborder CAPRELLIDAE 



Specific variability is so great in this suborder that identi- 

 fication must be made with much care. Reference should be 

 had in doubtful cases to the monographs by Mayer, beginning 

 with the caprellids of the Siboga Expedition (1903) and going 

 back to the earlier ones. 



Caprellidae Skeleton shrimps 

 Aeginina Norman (Aegina) 



A. LONGicoRNis (Kroyer). (G. 0. Sars, 1895, p. 651, pi. 234, 

 fig. 2.) Found on bottoms yielding algae, Bryozoa, and simi- 

 lar organisms, depth 25 to 330 feet. Stations : D 3, 5, 10, 13, 

 15, 25, 28, 30, 36, 38, 43, 45, 51-53, 56, 67, 94, 96, 104, 109, 110, 

 119, 130, 131, 135, 138, 140. 



Mayerella Huntsman 



M. LiMicoLA Huntsman. (Huntsman, 1915, p. 40, pis. 5, 6.) 

 Found on mud, in 30 to 70 feet of water. Hitherto this species 

 was known only from St. Andrews, N. B. Stations : D 46, 



48, 76. 



Caprella Lamarck 



C. ACUTiFRONs Lamarck. (Mayer, 1903, p. 79, pi. 3, figs. 

 4-28; pi. 7, figs. 62-65.) An extremely variable species found 

 on algae and hydroids, from shore to 54 feet of water. Sta- 

 tions: D3, 12, 110; S12. 



C. EQuiLiBRA Say. (G. 0. Sars, 1895, p. 663, pi. 238, fig. 3.) 

 Taken with various arborescent organisms, shore to 239 feet 

 of water. Stations: D 4-6, 12, 15, 18, 21, 25, 38, 52, 72, 96; 

 S14. 



C. LINEARIS (Linne). G. 0. Sars, 1895, p. 657, pi. 236.) 

 Found with various organisms, very frequently crawling on 

 the sea-cucumber, from low water to 330 feet. Stations: D 4, 

 5, 13, 15, 16, 18, 21, 25, 28, 32, 36, 39, 43, 51, 56, 67, 71, 73, 

 96,112; S6, 11. 



