440 ^NFr. J. (nvyn Jcirreys on Xoncef/ian Molhtsca. 



The youiiL!," only were tlred^eJ ; and these liad ])vobal)ly Loen 



removed t'roni the shore by the waves or tide, and earried 



out into the iiord. 

 Mytilu?? PHASEOLiNlS, Phllipj)i. }). V. u. 118, and v. 171, 



pi. 27. f. 5. C. 15-120 f.; P. 30-110 f. 

 MuDioLAKiA MAUMoKATA, Forbes. B. C ii. 122, and v. 171, 



pi. 28. f. 1. ( '. 10-GO f. ; P. 15-80 f. 

 NucTLA SULCATA, Pronn. B. C. ii. 141, and v. 172, \)\. 2U. 



f. 1. C. 15-100 f.; P. 15-208 f. 

 N. NUCLEUS, L. B. C. ii. 143, and v. 172, pi. 2<). f. 2. C. 5- 



GOf. ; P. 10-1180 f. 

 N. TUMIDULA, 'Mii\m, = X. jyumila, Loven, MS. (iV. nucleus,^, 



in Ind. Moll. 8cand.). C. 40-230 f. ; P. 420-1470 f. It 



seems that I was mistaken in referring- ^Malm's species to a 



variety of ^^ nucleus, althongh his description may a})ply as 



well to that variety as to the present species. X. jj/'oxinia 



of Say is allied to it. 

 *X. DELPHixODOXTA, Mighcls & Adams. C. 60 f. ; P. 290- 



345 f. Gulf of St. Lawrence to Casco Bay, Maine. j\[r. 



!M^ Andrew dredged it in up])er Xorway. 

 Leda tygm-EA, Minister. B. C. ii. 154, and v. 173, pi. 29. f.5. 



C. 10-100 f.; P. 40-1180 f. 

 L. MiNUTA, Mull. B. C. ii. 155, and v. 173, pi. 29. f. G. 



C. 10-100 f. ; P. 40-420 f. 

 L. LUCiDA, Lov. B. C. V. 173, pi. 100. f. 1. C. 20-230 f. ; 



P. 114-12G3f. 

 L. FHKiiDA, Torell = Yohh'a nana, Sars. C. 20-230 f. ; P. 



1G5-1380 f. I Avas wrong in believing that this distinct 



species might be a dwarf variety of L. lucula. Prof. Torell 



described and figured it in his account of the Spitzbergeu 



j\Iollusca ; it is also Greeulandic. 

 Akca TECTUXCULOiDES, Scacchi. B. C. ii. 171, and v. 175, 



])1. 30. f. 3. C. 30-100 f. ; P. GG-422 f. 

 ^U. cLACLVLLS, Grav. B. C. ii. 173. C. GO f., fossil y P. 



290-420 f. 

 "A. OP.LiQUA, Ph. B. C. ii. 175, and v. 175, pi. 30. f. 4. 



0. GOf.; P. lG4-422f. 

 A. XODULOSA, Miill. B. C. ii. 180, and v. 17(!, pi. lOO. f. 2, 



C. 10-GO f. ; P. 155-363 f. 

 Leptox NrrjDUM,Turton. B. C. ii. 198, and v. 177, ])1. 31. 



f. 3. C. 40-60 f. 

 MoXTACUTA SUIiSTIMATA, Mollt. V>. (J. il. 205, an<l v. 177, 



].l. 31. f. 6. C. 2-100 f. ; P. 73-420 f. 

 *M. BIDEXTATA, Mont. B. C. ii. 208, and v. 1 77, pi. 31. f. 8. 



C. 40-100 f., and var. tn'atu/ulart's ; P. 3-1366 f. 

 *,Ar, Dawsmxi, .TcftV. B. (\ 'ii. 216, and v. 178, ]>1. 31. f. 7. 



