130 bulletin: museum of comparative zoology. 



Bathypectinura elata. 



Pectinura elata Koeliler, 1906. Mem. Soe. Zool. France, 19, p. 7, pi. 1, figs. 1-3; 

 1907, " Travailleur " et " Talisman " Opli., p. 249, pi. 18, figs. 1-3. 



Southwest of Canary Islands, 1292-1399 fms. 



Bathypectinura heros. 



Pectinura heros Lyman, 1879. Bull. M. C. Z., 6, p. 48, pi. 14, figs. 389-391. 1882, 

 " Challenger " Oph., p. 16, pi. 23, figs. 7-9. 



Off Aru Islands, 800 fms. ; off Laccadive Islands, 865-880 fms. ; Bali Sea, 

 northeast of Java, 538 fms. ; Strait of Makassar, 1116 fms. 



Bathypectinura reducta. 



Ophiopeza reducta Koehler, 1907. Bull. Sci. France et Belgique, 41, p. 283, pi. 10, 

 figs. 1, 2. 



Locality and depth unknown. 



Bathypectinura modesta. 



Pectinura modesta Koehler, 1904. Oph. " Siboga " Mer Prof., p. 7, pi. 2, figs. 4-6. 

 Northeast of Java, 183 fms. 



Bathypectinura conspicua. 



Pectinura conspicua Koehler, 1897. Ann. Sci. Nat. Zool., (8) 4, p. 322, pi. 6, figs. 36, 

 37; Oph. " Siboga " Mer Prof., pi. 1. 



Gulf of Bengal, 410 fms. ; off Sumbawa, Flores and Celebes, D. E. I., 300- 

 1116 fms. 



Bathypectinura tessellata. 



Pectinura tessellata Lyman, 1883. Bull. M. C. Z., 10, p. 230, pi. 3, figs. 1-3. 



Off Santa Cruz, Danish "West Indies, 451 fms. 



Cryptopelta, gen. nov. 



(Greek KpvirT6s = hidden + tt^Attj = shield, in reference to the covering of the oral 

 shields by granules.) 



Disc, including radial sliields, interbrachial areas, oral shields (except I'arely the 

 central part), adoral plates, and angles of jaws, entirely covered with a close, fine 

 granulation, which entirely conceals the underlying scales and even extends onto 

 the bases of the arms. Arm-spines about 7, short and appressed. Tentacle-scale 

 single. Teeth few, narrow, acute. Oral papillae numerous (16-18 on each jaw), 

 distal ones wide and blunt, proximal narrow and sharp. No pores between basal 

 under arm-plates. Genital slits 2 in each interbrachial area. 



Type, C. aster (OpAiopeza) Lyman, 1882. "Challenger" Oph., p. 12, pi. 21, figs. 

 16-18. 



