Mr. J. Gwyn Jeffreys on Mediterranean Mollusca. 17 
P.165f. Var. 1, obtusa. Shell oe d oval, with a shorter 
spire and less oblique outline. Med. 50-310f. Var . 2, con- 
Jormis. Med. 30-100 f. deben 950. ; (Si pratt). This 
Rissoa sland, Mose: aR clathrata, Ph. B.C. iv. 20, and 
v. 207,pl. 67. f. 1. Med. 60 f.; P. 173-208 f. in the last 
Number of the ‘Annals’ 808 was erroneously given for 
tat): 
R. aas Jeffr. Ann. & Mag. N. H. ser. 2. xvii. 183, 
y+ Var. tehealti (Alvania tessellata, Schwartz). 
Biai « somewhat larger and more so "s than usual. Med. 
50-100 f. Perhaps X. Lancet, Calca 
R. areolata, Ph. ii. 132, t. 23. f. 23. Med. 50-100 f. ; Naples 
and Sicily (Stefanis and Monterosato 
R. dictyophora, Ph. ii. 128, pl. 23. f. 11; ^ x var. Weinkauffi 
(Alvania eric. Schw} Med. 4 
R. costata, Adam . 22, s v. T 901, pl. 67. f. 2, 
Med. 40 f. 
hk. parva, Da C. B. C. iv. 23, and v. 207, pl. 67. f. 3. Med. 
40-60 f. ; P. 0-10 f. 
R. pulchella, Ph. i. 155, t. 10. f. 12, and 1i. 127; var. minor 
Smaller and spirally striated, with a labial rib. Med. 40 f. 
FH, nana, Ph. i. 154, t. 10. f.3 (R. pusilla), and ii. 127 (1844). 
Med. 40 f. If this be the R. pulchra of Forbes (1843), 
his name would take precedence of nana ; Hina s work, in 
which he changed the specific name to dolium, was not 
siblished till 1845. 
Pe adele, Alder. B. C. iv. 26, and v. 207, pl. 67. f. 5 
Med. 40-100 f.; Æg. 100 f.; P. 3f. 
R. aur Per bs Ph. i. 151 (R. diia, and ii. 125, t. 23. 
3 ! . 40 LE D] 
R, tutivbihs, y. Mable Ph. i. 149, and ii. 123 (R. costata). 
Med. 40 f.' 2 
R. membranacea, Ad. B. C. iv. 80, and v. 208, pl. 67. f. 8. 
Med. 40 f. M 
R. violacea, Desraavets. _ B. C. iv. 33, and v. 208, pl. 67. f. 9. 
Med. 40 f. 
R. costulata, Ald. y: C. iv. 35, and v. 208, pl. 68. f. 1; var. 
similis. Med. 4 
R. vitrea, URP 3. z ii. 40, and v. 208, pl. 68. f. 4. Med. 
60 f. ; P 95-40 f. 
