ADDITIONS AND COEEECTIONS 549 



cosa, Gld. Mex. Sf Cat. Shells, p. 17." . 

 Species 80. Add " Comp. Mulinia donaciformis, Gray, in Mag 

 Nat. Hist. N. S. vol. i. p. 376 -.-ZooL Beech. Voy. p. 154, 

 pi. 44, f. 13, 'from Nevis.' " 

 Species 81 should he "Gnathodon mendictts, Gld. Mactra 

 mendica, Gld. iu Proc. Bost. Nat. Hist. Soc. 1851, p. 88 :— 

 Mex. J- Gal. Shells, p. 20, pi. 15, f. 4." 

 Species 85. Add as synonym, " = Cytlierea sequilatera, Besh.m 

 Bev. Cm. 1839, p. 358 -.—Mag. Zool. GuSr. pi. 22 :-(Tri- 

 gona ffi.) B. M. Cat. Yen. p. 50, no. 17. San Bias." To tablet 

 246 add "also a smaller sp. witli its velvety epidermis." 

 To tablet 258 add "also an intermediate sp. witli tlie riba 



interrupted." 

 Page 66, line 15, add "pi. 9, f. 1, 2." 

 „ 67, line 24, add "a, b, as of Lesson." 

 „ 70, line 11, add " Chen. Conch. III. pi. 1, f. 4, 4 a,A b." 



72, line 10 from bottom, dele the reference. 

 „ 79, line 6 from bottom, for ""6," read ""06." 

 Page SO, after line 17, add "?= Venus succincta, Val. Bee, Obs. 



vol. ii. p. 219, pi. 48, f. 1, a, b, c. Acapulco." 

 Page 82. In tablet 413,/or "2 minute valves," read "1 minute 

 yalve".— The Genus Gouldia (teste Gould) is an Astarte with 

 lateral teeth, as supposed. The West Indian Crassatella ■ 

 Guadalupensis, D'Orb. is the exact analogue of Gouldia 

 Pacifica : his Cr. Martinicensis is intermediate between that 

 species and G. varians. 

 To tablet 420 is added a minute pair measuring '018 by '015. 

 Page 87, line 8, for "f. 57" read "f. 5-7." Add to synonyms, 

 "Chamafrondosa, Chen. Conch. III. pi. 6, f . 8 : {var. Mexi- 

 cana) f. 7. (Do. jun. as Ch. eehinata, Brod; apparently 

 copied from the Transactions) pi. 6, f. 6." The true Ch. 

 eehinata appears to be figured as Ch. Delessertii, pi. 6, f. 4. 

 Page90, line II, for "Hipponyx tesseUata," read "II. serratus." 

 „ 102, before line 5, insert "Family DIPLODONTID.E." 

 PagelO'i, line 4>from bottom, for "Genus ," read "Sub- 

 genus Felania, B^cl., H. cj- A. Ad. Gen. vol. ii. p. 473." 

 Species 154, add to synonyms "Comp. Poronia Petitiana, Chin. 

 Conch. III. p. 2, pi. 1, f. 2. Callao (Petit), not rare." 



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