M D I L A 



Species 65. (Fig. 78 and 80, Mus. Cuming.) 



MoDiOLA CICERCULA. Mod. testa oblique orbiculari, 

 convexd, umbonibus parvis, decusmtivi striata, striis 

 radiantibiis subdivaricatis ; albidd, luteo-fmcescente 

 tinctd. 



The chick-pea Modiola. Shell obliquely orbicular, 

 convex, umboes small, decussately striated, radiating 

 strias rather divaricate ; whitish, tinged with yellow- 

 ish-brown. 



MoLi/ER, Fauna Grocnlandica. 



Mytilus decussatus, Montagu. 

 Crenella elliptica. Brown. 



llab, Greenland ; Moller. Orkney ; M'Andrew. 



A small pca-likc shell, with very much the aspect of a 



little Cardium. 



Species 66. (Fig. 79, Mus. Cuming.) 



Modiola kiiombba. Mod. tes/d oblique quadratd, aiitice 

 tatiore, subproductd, medio valde gibbosd, obtuse a/t- 

 gulatd, unJique radiatim l/tnuistriatd ; rosacco-albd, 

 subpellucidd. 



The rhomboid Modiola. Shell obliquely quadrate, 

 anteriorly broader and somewhat produced, very gib- 

 bous in the middle, obtusely angled, everywhere 

 rayed with fine stria;; piukish-white, slightly trans- 

 parent. 



Berkeley, Zool. Journ. vol. iii. ]). 329. Supp. pi. 18. f. I. 



Bab. Tunis ; M'Andrew. 



A rather solid, gibbous, rhomboid shell, of a pinkish 



hue. 



Species 67. (Fig. 81, Mus. Cuming.) 



Modiola marmobata. Mod. testa oblique rhomboided, 

 valde gibbosd, obtuse angulatd, postice et antice radi- 

 atim liratd et sulcata, medio Icemgatd ; viresccHle-ci- 

 nered, rosaceo tinctd. 



The marbled Modiola. Shell obliquely rhomboid, 

 very gibbous, obtusely angled, rayed posteriorly and 

 anteriorly with grooves and ridges, smooth in the 

 middle ; greenish-ash, tinged with rose. 



Forbes, Malacol. Monens. p. 40. 



Modiola tumida, Hanley. 



Modiola PoUana, Philippi. 



Crenella marmorata, Forbes and Ilanley. 

 Ilab. Britain. 



An interesting small species, of the characteristic Lanis- 

 tina group. 



Species 69. (Fig. 82, Mus. Cuming.) 



Modiola glandula. Mod. testa suboblique orbiculari, 

 convexd, umbonibus parvis, decussatim striata, striis 

 l-ongitudinalibus fortioribus, subdivaricatis; sordidi 

 alba, epidermide luted induld. 



The acorn Modiola. Shell somewhat obliquely orbi- 

 cular, convex, umboes small, decussately striated, 

 longitudinal striae the stronger, rather divaricate ; 

 dull white, covered with a yellow epidermis. 



Totten, Silliman's American Journal of Science, vol. 

 xsvi. p. 367. f. 3. 

 A Corrfi«»«-shaped species, of the same typical form as 



M. cicercula. 



Fig. S3. (Mus. Cuming.) 



A young specimen of M. strigata, Hanley, described at 

 PI. VII. Fig. 33. 



Species 69. (Fig. 84, Mus. Cuming.) 



Modiola peotinula. Mod. tesld obovatd, ventricosd, 

 antice laiiore, radiatim costatd, umbonibus subpromi- 

 iiulis ; luteo-fuscescente. 



The little pecten Modiola. Shell obovate, ventri- 

 cose, broader anteriorly, radiately ribbed, umboes ra- 

 ther prominent; yellowish-brown. 



Gould, Invertebrata of Massachusetts, p. 127. f. 85. 



Mab. St. George's Bank, Bay of Massachusetts, United 

 States. 

 Of a rather solid obovate Carditim-Uke form. 



Species 70. (Fig. 85, Mus. Cuming.) 

 Modiola bulla. Mod. testa oblique globosd, viireo-albd, 

 lavigaid, sub lente minutissiiiie radiatirn striata, gib- 

 iosissimd, umbonibus parvis, ineurvis. 

 The bubble Modiola. Shell obliquely globose, glassy- 

 white, smooth, beneath the lens very minutely ra- 



, 1S5S. 



