ON MOM,rsC.\ OF THE WEST COAST OF VDRrn .AAIFRICA. 



r.43 



115. Lucvia horealis, Linn, axxci. ■^acuHUneata, Conr. Widely diffused, from Coral- 



line Crag. Philippines, teste Cuminfr. 30-120 fm. Cp. 



116. Cii/pfndon /lexuo^is,}ilont. SLiict. Atlantic, circumpolar. Cat. Ls. 120 fm. Q*. 



117. Cn/pfndon seriicatm, n. s. Small, circular, flat ; epidermis silken. ? Cat. Is. 



Cp. 120 fm. 



Family DiplodontidcB. 



118. Diplodonta orbella, Gld. Otia.=(J/ysi"a) SphcerelJa tumida, Conr. 



Family KclUadff. 



119. Kellta Lnperousil, Desh. Woodw. Typically large, stronsr, transverse. 

 119 6. Kfllia \nx. Chironii. Thinner, l»iss tranjiverse, margins roimded. 



120. KrIUa rotundata, n. s. Larger, flatter, and less peaily than suborbicularia. 



Margin circular. 



121. Kvllia suborUcidnris, Mont. auct. Maz. Cat. no. 153. N. Atlantic : W. Mexico. 



Exactly accords with British sp. 30-40 fm. Cp. 



122. i.7st'a rM6rrt, Mont. auct. Maz. Cat. no. 154. N.Atlantic: W.Mexico. Exactly 



accords with British .«p. 



123. Put/tin I rugifera, n. s. Large, thin, slightly indented ; teeth minute ; epidermis 



shaggy. 



124. Lvpfun meroeum, n. s. Small, fhaped like Sunaptfi. 



125. TeUimya tumida, n. s. Between hidentata and xuhxtrinta : ossicle minute. 

 12(3. Priates ohlontpis, n. g., n. s. Like Tellimya, with long marginal teeth, serrated 



neai' hinge. 



Family Mytiltdo'. 



1 27. Mfitilm Californiamts, Conr. 9 in. long : stained with sienna : obsoletely ribbed. 



128. Mytilus edidis, Linn. auct.=<rossM//«, Gld. Abundant on whole coast, with the 



usual .* tlantic vars. Between tide-marks, Lord : also brown var. on float- 

 ing stick. 

 1 28 6. Mytilus ? var. yfomeratus, Gld. Otia. Short, stumpy, solid, crowded. 



129. Septifer bifurcatus, Rve. Outsitde like Mytilui h. Conr. from Sandw. Is. 



130. Modiola capax, Conr. Maz. Cat. no. 170. From Southern fauna. ■ ' 



131. Modiola modiolus, \j\rai. SMct. Circumboreal. 8-15 fm. jun. Zyfl//. 



132. Modioln fomicata, n. s. Short, swollen, like large M. marmorata ; but smooth, 



not crenated. 



133. Modioln recta, Conr. 6 in. long, thin, narrow, rhomboidal. Chafl-like hairs 



over glossy epideiuiis. 



9 129 -:v-. 



