^^ MOLLUSCA. 



and the ^ j^ ^^^.^^^ ^^ ^^^.^.^^^^ ^^^^ ^^^ 



Monif Several species inhabit the coast of FranceO) 

 If the umbilicus be wanting, they are his Lotohium(2). 

 Finally, when the canal is short, the spire elevated, and the vari- 



c s siniple, they are his Tkxxoni.m. Their mouth is usua ly p - 



::" f E^:^r" '" "^^^^^"^- "^^^ '-^^ - ^^^^ ^- 



The varices are sometimes numerous, compressed, and almost 

 membranous, constituting the Tkopho.a, Montf (4) 

 numbr^ " '''"' '''' "^ ^om,.ess.,, very salient, and but few in 

 M. de Lamarck separates from all the Murices of Brugi^re, the 



Ranella, Lam., 

 Characterized by opposing varices, so that the shell is bordered 

 wuhtl-^monboth sides. -Their canal is short, and th ir sutrce 

 studded wuh ,ere tubercles; margins f the aperture pHc tedf/r 

 1 he Apolles, Montr., are merely umbilicated Ranelte(7). The 



des'tUrorvarLt"' """ ' ''^"''^ "-''' "-' ^'"^'- =>- 



When the spire projects, the columella is without plies, and the 



margin ts enttre, they are the Fss properly so called Lam , whi h 



usus(8). 1 he shortest and most ventricose gradually approach 



cix 1019 9n M ; .7 ' ' ^'i; -^"'- trunculus, Martini, Ilf 



cix, 1U18, 20-,Mur. milians, Id., ii, Vie-n 16 \ 'i ht ' 



IX, 22-.-Mur. decussafus, lb., 21. ^ ' '-''-^^"''- ^'^~^"'-. Adans., 



(2) Mur. lotorium, L., Martini, IV, cxxx \oM a. m. r 

 \m,-Mur. triqueter. Born., XI, 1, 2. '^"^^-^-^-Mur. femorale. Id., cxi, 



(3) Mur. tritonis,L., List.. 959,' 12, -Mur. maculosus, Martini, IV, cxxxii 1257 

 1258; .Tii^r. aw^/ra/is, Lam., Martini, IV cxxxvi 128i M \', ^^^"' -^25r, 

 IV, -XXX 124? 4.<i AQ M I cxxxvi, 1284;~Mur. pikare. Martini, 

 IV, -XXX, i^4o, 4, 49; JfMf. arp-;;,^, Mart ni IV rvwi Io^k lo-r^ L 



cufo. Id., cxxxii, 1259, 1267. ' " ''' 1256;_ilfun mZ-e- 



(4) Mur. magellanicus' Martini, IV, cxxxix ?29r 



^^(5) 3Iur. trl^terr.. Born., X, 18, ^,,-Mur. obeUscus, Martjnl, 1,1, exi, 1033, 



(6; NB. They are the Mur. kifo, Montf., 5n;-Mur. rana List 99^ 99 

 Mur. retiaiaris, Ust 9'^^ 90- OT,,^ /r j , '^"'iff, i-isi., 995, 28; 



(7; iMi.rragyj, List., 939, 3 ,. 



