NO. 1222. ISOPODS OF THE ATLANTIC COAST-RICHARDSON. 



)05 



8. APSEUDES Leach. 

 14. APSEUDES GRACILIS Norman and Stebbing. 

 Apseude^ gracilis Nobman and Stebbing, Traus. Zool. Soc. Lond., XII, 1886, Pt. 

 4, p. '95-97, pi. XX. 

 lj„j,;faf.-Dayh Strait, lat. 59° 10' N., long. 5()'- 2(1' W., also in the 

 North Atlantic. 



Depth.— 1,750 fathoms. 



9. TYPHLAPSEUDES Beddard. 

 15. TYPHLAPSEUDES NEREUS Beddard. 



Typhlapseudes nerem Beddard, Proc. Zool. Soc. Lon.l., 1886, Pt. 1, p. 115; Re- 

 port on the Scientific Results of the Expl. Voyage of H. M. S. Challenger, 

 Zool., XVII, pp. 112, 113. 

 Bahitat.—On Sombrero Island. 

 Depth.— 4:50 fathoms. 



10. SPHYRAPUS Norman and Stebbing. 

 16. SPHYRAPUS MALLEOLUS Norman and Stebbing. 

 Sphttrapvs inalleolm Norman and Stebbinc4, Trans. Zool. Soc, XII, 1886, p. 98, pi. 

 "xxii, figs. 2, 3.— Bonnier, Annales de I'Univers. de Lyons, 1896, p. 660, pi. xxxi, 

 fig.l- 

 ffabitat.— South of Cape Farewell, Greenland; also 39° 39' N. lat., 

 9° 39' W. long., otf coast of Portugal; south of Rockall; Bay of Biscay. 

 Dep)th.— 1450 fathoms. 



II. FLABELLIFERA or CYMOTHOIDEA. 



analytical key to the families of flabellifera. 

 a. Legs in adult in six, apparently only five, pairs ..Family HI. anuthlkhr (p. 506). 

 n^. Legs in adult in seven pairs. 



h Uropoda lateral and superior, outer branch arching over base ot telson. Body 

 cylindrical, narrow, elongated Family IV. Anthundw (p. 500- 



b^. Uropoda lateral, 

 c. Abdomen consisting of six segments. 



d. Uropoda with botli branches developed; mostly lamelliform. 



e. ' Maxillipeds with the palp free; the margins of the last two joints more 

 or less setose, never furnished with hooks. 

 /. Mandibles with the distal half stout, very conspicuous, uncovered, or 

 with only the anterior margin concealed; from the base toward the 

 middle directed forward and a little outward. 

 g. Mandibles with the rather broad, more or less tridentate, cutting 

 edges meeting squarely behind the large upper lip; the secondary 

 plate and peculiar equivalent for the molar well developed. First 

 maxillfe having the plate of the first joint armed with three spmes, 

 that of the third with many. Second maxillse of moderate size, the 

 three free plates very setose. Maxillipeds with the palp rather 

 broad, very setose Family V. Cirolanidx (p. 510). 



1 Points from e to e" inclusive are from Hansen's analytical key to the Cirolauidse, 

 Vidensk. Selsk. Skr., 6th ser., natur. og math. Afd. V, 1890, p. 317. 



