MARINE SHELLS. 17 
Mactra similis. :....... Pe OY a) o dana adads de. e's Florida 
Mactra solidissima............ SWCD ster nie: s's 10 eattates Connecticut 
PP AGWA tees Jr Se ear ~o MOxae 
MANGELIA. 
Mangelia angulata.... .... Mere Me ee she. aries. .. California 
Meneelia.interfossa...i..0s5 3% re ee ei eralel's Ww. 0% California 
Mangelia ivterlirata....7...... Sts....Santa Rosa 1., California 
Menmecevartabulata.’ 2c. eye ns OUI aoe aaa PR re aaa California 
Mangelia variegata......... BORO PUBS ia, Ra, oe) 2) ost Se eae California 
: VAL Gee ODP os dacreden oy + ... California 
MARGARITA. 
Margarita acuticostata.... ..... CDP BIT esas oss | ...Califoruia 
Pramegtiia-artica. . ss .chvwtioun COONS 54 StS ee Sitka, Alaska 
Marcotte Wwelicind.. fie. 3: UGTUE Is, 253s eee See California 
MMemaritd pupilla. 2° he 25 meee [LE opener oo a California 
Peemerattia VEN tTICOSidlidier mi Siete |) eed ted ede ee Ye ees 
MARGINELLA. 
Mearomella apicina..... 21, to, s.'. WRC aii tap els hele a8 ae ot Florida 
se e Val MRO EM CU ieee sts bo ak dae bee Florida 
Marginella conoidalis ......... PEDO ara eg ik ah ere ers setae Florida 
Marginella jewettii........ BEER: Pircen ao th oare's 2 y's a California 
Narginella pyriformis. 12°... Cin ae ee es wae = Pa California 
Margivella limatula....... eee OM te 1.5 aks 5 0 South Carolina 
Marginelia subtrigona.......... AEE ee EE California 
2 ‘@! 
MARTESIA. 
Moresra GOUITOrMIS. aye ee seks sees et ae SELOriGa: 
MELAMPUS. 
Metsmpus bidentatus:. cask ss :cS OY. i. os se oss a's Massachusetts 
Melampus olivaceus........... ODES RAG DR ...California 
Bere ane, ——————,. :, santas Verdes Sales coe. ¢ cus w oeehe Texas 
MERA 
Mera (Angulus) gouldi......... Lai S AL PIS BE ane California 
Mera (Angulus) modesta........ CHDPRAS ba E xt hel a tae 0 California 
