SUPPLEMENT. 223 



P. 413. — C. uiiBiLicATA. F. Yienna basin (Homes) ! E. 

 and var. conuhis. Lofibden I., 300 f. (Sars). Xot var. comi- 

 lus of AVeinkauff, which he has since named C. Hoernes'i ; this 

 is the C. pymmldata of A. Adams. 



P. 417.— C. ALBA. N. of Hebr., 189 and 530 f. (C. and T.). 



E. Loffoden I.< 300 f. (Sars). 



P. 419, 1. 9 from bottom, before " distinct" insert " usually". 

 P. 420. — Utricflus mammillatus. Orkneys (Thomas) I 



F. Monte Mario (Eigacci) ! E. Madeira (Watson) ! 



P. 421.— U. TRU^-CATULUS. F. Portrush (A. Bell) ! ; Bohus- 

 lan (Thude'n) ; iS'.W. Germany (Philippi, as Bulla retusa) ; 

 Rhodes (Homes). E. Madeira (Watson) ! 



P. 423. — II. OBTUSTJS. F. Christiania (Crosskey and Ro- 

 bertson) ! E. Dalmatia (Brusina) I Var. Lajonhaireana. F. 

 N.W. Germany (Phihppi). Yar. semistrkita. Smaller, with 

 fine and close-set longitudinal strife on the upper part of the 

 body-whorl ; spire slightly produced. Roach River, Essex. 



P. 425. — U. VENTROsus. Bullcea ventrosa, S. Wood, is a 

 species of PMline. 



P. 426.— U. EXPANSTjs. St. Magnus Bay. E. Loffoden I., 

 300 f. (Sars) ; Finmark (Lilljeborg) ! 



P. 427.— U. HYALII.-US. E. Naples (Tiberi,/. Weinkauff). 



P. 429. — Add UiRicuLUS globo'stjs*, Loven. (Amphisphyra 

 glohosa, Lov. Ind. Moll. Scand. p. 11.) 



Shell globosely oval, transparent, very thin, glossy, and 

 iridescent: sculpture, slight, indistinct, and irregular spiral 

 lines, which are only discernible with the aid of a magnifying- 

 power and in certain lights ; the crown or apex is closely 

 puckered lengthwise : epidermis filmy : colour clear white : 

 spire contracted, deeply sunken, and truncated ; wliorls 3, 

 tumid, the outer one enveloping the rest ; the apical whorls 

 are minute, and the central one mammillar : suture deep : 

 mouth narrow above (from the bulging of the periphery), wide 

 and expanded below ; base semicircular : outer lip fiexuous 

 and somewhat bent inwards ; the upper part projects consider- 

 ably, and is higher than the spire ; outer corner rounded : 

 inner Up forming a thin broad whitish film on the periphery ; 

 it is slightly folded over the pillar, behind which is a narrow 

 umbilical groove : pillar sharp and fiexuous : fold obscure. 

 L. 0-15. B. 0-125. 



* Globose. 



