24 



THE VOYAGE OF H.M.S. CHALLENGER. 



690 



15 to 150 



150 



0) 



48 to 100 



3 to 808 



(0 



0) 



71 



Low water. 



6 to (?) 



Rhynchonella sicula, Sequenza. See Jeffreys, Proc. ZooL, 

 1878, p. 413, pi. xxiii. figs. 5, 6. It seems to be a 

 good and well characterised species, more specimens 

 required. 



Rhijnclionella nigricans, Sow., Thes. ConcL vol. i, p. 342, 

 pi. Ixxi. fig. 81 82, 1846. A very good and remark- 

 able species. 

 *EhijnchoneUa nigricans, var. pixydata, E. B. Watson, 

 MS., Dav., Proc. Eoy. Soc, vol. xxvii. p 431, 1878. 



Rhynchonella grayi. Woodward, Ann. and Mag. of Nat. 

 Hist., p. 444, pi. X. fig. 16, 1855. Only one example 

 known. British Museum. More specimens required. 



Rhynchonella lucicla, Gould, Proc. Boston Soc. Nat. 

 Hist., p. 323, 1860. Seems to be a very good and 

 well-characterised species. 



Tretenteeata. 

 Genus Crania, Retzius. 



Crania anomala, MiiUer, Zool. Dan., p. 237, 1776 = 

 Patella distwta, Montagu. Patella li&rmes, Humphreys 



= Anornia turhinata, DiUwyn = Griopus orcadens-is, 

 Leich = Orhicula norvegiea, Lam. D. ostreoides, Turton 



= C. personata, Def. = G. rosiraia, Thorpe. C 

 fimhriata, Poli=C. craniolaris (pars), Gmel. = C. 

 ringens, Hoeninghaus. 



Crania anomala, var. alba, Jeffreys, Brit. Conch., vol. v. p. 

 165, 1869. I am not acquainted with this or the follow- 

 ing variety. 



Crania anomala, var. jyoiaialesi, Dall, Bull. Mus. Comp. 

 Zool., vol. i. p. 35, pi. i. fig. 7, 1871. 



Crania japonica, A. Adams, Ann. and Mag. Nat. Hist., 

 3d ser., vol. xi. p. 100, 1863. 



Crania suessi. Reeve, Conch, con. Mon. Crania, ^\. i. 

 fig. 2, 1862. Both these last seem to be good sjjecies. 



Chops of English Channel, 

 " Porcupine " Expedition 

 (Jeffreys). Fossil : South 

 of Italy ; Sicily. 



Fouveaux Strait, New Zealand j 

 Chatham Islands. 



South of Kerguelen Islands. 



Fossil (V) : Tasmania. 

 Off Fiji Islands. 



Japan. 



North European Seas ; Loch 

 Fyne ; North of Scotland ; 

 Tunisian Coast, Mediter- 

 ranean, from 14 to 120 

 fathoms ; off Province of 

 Asturias, Sjaain; Vigo 

 (M'Andrew) ; off Biarritz 

 (Fischer). Fossil: Sicily (?). 



Off Shetland Islands; Heb- 

 rides. 



Florida Keys. 



Japan. 



Sydney, Australia. 



Genus Discina, Lamarck. 



Mr Dall proposes to divide the genus Discina as follows : — 



A. Discina, Lamarck, ■vvith anteriorly directed tubular foramen, under the central septum 



or prominence (Dall). 



Discina striata {Crania), Schumacher, Essai, jd. 102, pi. 

 XX. fig. 1, a~f, 1817 (not of D ef ranee) = C. radiosa, 

 Gould = D. eva7isi, Dav., Orbiada norvegiea. Sow. 

 0. ostroides, Rang. Patella anomala, Sow. (not 

 Miiller). 



North- West coast of Africa. 



