548 ADDITIONS AND CORRECTIONS 
at regular intervals as described by Messrs. Adams. The 
drawings are copied from those of Mr. Sowerby, and appear 
very accurate. 
Page 26, line 3, before “Cour.” insert “H. § A. Ad., pars, 
(Gen. ii. 364,) non”. 
Species 40, for “SemELE Proxima, OC. B. Ad.” read “SEMELE 
FLAVESCENS, Gld. Mex. & Cal. Shells, p.19:—Proc. Zool. 
Soc., July 8th, 1856, no. 5.” The shell was named from a 
supposed type in Mr. Cuming’s collection: the real type was 
afterwards found in another drawer. Dr. Gould’s type was 
taken at San Diego by Lieut. Green. 
Species 42. Add “Hab. Panama, deep water ; Payta, low 
water ; Cuming.—Mazatlan ; very rare, nestling in burrows 
of Spondylus calcifer and Chama f. Mexicana; Z’pool yf 
Havre Coil.” 
Species 44, add “1887, vol. vii. p. 234, pl. 17, f. 12.” 
Species 46, for “SANGUINOLARIA PURPUREA, Desh.,” (which 
stands as a synonym,) read “SANGUINOLARIA MINIATA, Gild. 
Tellina m. Gld. in Proc. Bost. Nat. Hist. Soc. Nov. 1851 :— 
Mex. § Cal. Shells, p, 24, pl. 16, f. 1.” 
Tablet 122. Instead of the Semeloid valve, since lost, is given 
a sketch of the pair, taken before the accident. 
Species 65 belongs to the Suscenus Tretiipora, Moerch :— 
“=Tellidora Burnettii, H. & A. Ad. Gen. vol. iu. p. 401, 
Di 04: £3, Sas 
Species 70. Iph. levigata, Gmel. teste H. & A. Ad. Gen. 1.407. 
Hor Species 72, “Donax cutminatus 2n. s.” read ‘Donax 
rostratus, C. B. Ad. Pan. Shells, no. 457, pp. 278, 321. 
Panama, 1 valve, C. B. Adams.—Mazatlan, Lieut. Green.— 
Sta Barbara, Col. Jewett (teste Gould) =Hecuba (Donax) 
culminatus, H. & A. Ad. Gen. i. 405.” 
Page 4A, last line. Donax flexuosus, Gld. Cal. & Mex. Shells, 
p. 21, pl. 15, f. 8, is a distinct species, most closely allied, 
but placed in Donax proper by Messrs. H. & A. Adams, 
while they include D. Californicus, D. Conradi, D. contusus, 
D. cultus, D. transversus, D. navicula, along with the pre- 
sent species, under Serrula, Chemn.; Glen. vol. ii. pp. 404-6. 
After tablet 168, add ‘‘168* contains 1 sp. with coarse epider- 
mis, and 1 sp. intermediate.” 
Species 78. Add as synonym (from type) ‘ =Lutraria ventri- 
