IM.I \ LHDin NMNN ICY, 



hc. Mill. If. Mcnkc. Syr.op- 

 Mclca-_:ri< I Littorili;, , I',, < k. P,,ti,v A" Mich. did. hull;!: 



21* 



McuUaniK ( Planaxis), Dkr. MM I. Pdatt., j.. II. l 



P.SUlcatUS, Horn. Ann. A' Maj.. xvi. 17. 1886, , , 27l 



Mc>pi1um i Litlorina ). Mnlilt'. \Yrli. licrl. drs. Nnl., i, p. 



jm, t. s, t: N, i MM 



Michaui (Quoyia), Cr. A Fisrh. Journ. dc ( 'onch., p. -'!7 



I:'.. I', (i. I (,). dccollata, (Juoy. 



Miliaris (Littorioa), Quoy. \'..y. Aurtr., ii, p, 184, t. 33, Mi 



in, is:;2. . 



Millegrana (Littorina), Phil. AM.ild., iii, p. ;."*, t. 7, f. !.", 

 L848, T. granularis, Gray. . ... 



Minima (Turbo), Gray .MSS, Wo.,d. Ind.-x. Tert., i. <i, '. 29, 



Minor (( 1 oni-a<lia doliaris, var. ), Ncvill. Hand List, p. Mi'.', 



... 



Minor i Litiopa vmtrosa, var.), Ncvill. Hand Li>t. I 7-\ 1885, L' s l 

 Minor! Littorina scahra, var.), NVrink. Conch. ('al>., p. :)7. t. 



4, f. 16-18, I**!' ... 214 



Minutus ( Fossarus), Mich. Hull. Soc. Liun. l>ord., ii, p. \'2'2. 



t. L', f. 7, s, I), L828, =F. costatus. Hrocc. . . . 272 

 Miral)ilis < PoflBte), Ncvill. Hand List, p. MM, 1.S84, . . 274 

 Modcsta ( Littoi-ina\ Mcnko. Zcitsch. fiir Malak., p. K>4, 



18GO. L. consju-rsa, Phil. . .... 24!) 



Modulus, (iray. Syn. Brit. Mus., 1840, . . . .2:52,260 



Modulus (Trochus), Linn. Syst. Nat., x, 17">*. 



M. Icnticularis, Chemn 2',1 



>[ollis ( Planaxisi. Sowb. Genera of Shells, i, f. 2, 1*24, . 27 ( . 

 Monilc ( Alaha), A. Ad. Aim. & Ma<r., x, p. 2!H;, 1MJ2, . 2S3 



Monilifcra (Littorina), Souleyet. Yoy. IJonitc, ii. p. -loll, i. :;!, 



P. 37-39, 1852. = L. noduloea, Gmel 258 



Montagu i (Lacuna), Turton. Zool. Journ., iii, j). 191, 1827. 



= L. putcola, Turt ... 2<5.~> 



^^ollto^osatoi (Megalomphftlus), Granata. I )esc. csp. nouv., 



1877. Fossarus cxcavatus, Mont-. ..... iV.x 



Montrouzicri (Littorina), l ; isch. Journ. dc Conch., xxvi. i 



f. (I, 



Morclcti fModulus), Fischer. Journ. dc < 'onch., xxx, p. M)S>, 



t. 7, r. 2 



Multicu.tatus (Foeaarus), Pae, /o,l. Proc., p. :5!)8, 1860, . 27^ 

 Mui-icata ( Littorina ., Linn. Syst. Nat., p. 1 2:52, . 



Mutahilis ( Ilclicicllai, ( ). G. Coeta. Mi<-rod. Mcd.. p. U, t. 



M>, f. 4, "), ls(il. Megalomphalua a/onus, \\r\\<. . . 2"' s 



Mutans i Alalmi. Carp. Mazatlan Shells, p. 369, . . .282 



Nana i Littorina x.chra, var.', Ncvill. Hand Li-t Moll., p. 140. 



1.SS4 ... 24!) 



Nana ( Ilisrlla), Lain. . \nini. sans Vert.. 1st Ld., vii, p. :{0. 



K. niclano-toma, ( Jinrl. . . .... 2>2 



