224 SUPPLEMENT. 



Habitat : St. Magnus Bay, 60-80 f., on a muddy bottom, 

 very rare. E. Bohuslan toFinmark (Loven) ; Loffoden L, 300 f. 

 (Sars, as Utriculopsis vitrea) ! ; S. Sweden (Malm). Differs 

 from U. ventrosus in the shape, spire, mouth, and sculpture. 



P. 433. — Action tornatiljs. F. Bohuslan (Thuden). 



p. 437. — Bulla hydatis. Spawn of a pale orangecolour, 

 and consisting of extremely numerous and minute ova en- 

 veloped in a wafer-like substance, which is covered on the 

 upperside by a very thin membrane. 



p. 439.— B. degans. E. Morbihan (Tasle)! 



p. 440.— B. utriculus. N. of Hebr., 189 f. (C. and T.). 

 F. N.W. Germany (Philippi) ; Rhodes (Homes). 



P. 441.— B. striata. E. Morbihan (Tasle) ! 



P. 443. — Scaphander lignarius. N. of Hebr., 530 f. (C. 

 and T.). A remarkable monstrosity or variety lately occurred 

 in my Shetland dredgings. It is very short, and the lower 

 part of the shell is unusually expanded and gibbous. 



P. 446.— S. librarius. N. of Hebr., 189 f. (C. and T.). 

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



P. 446. — $>i\ivr) was the mother of the poet Theocritus. 



P. 447. — Philtne scabra. F. Pisa (Manzoiii); Monte 

 Mario (Rigacci) ! E. Loffoden I., 300 f. (Sars) ! ; Quiberon 

 in Brittany (Tasle) ; Arcachon (Lafont) ! ; G. Naples (Tiberi 

 and others) ! ; Dalmatia (Brusina) ! 



P. 449. — P. catena. E. Arcachon (Lafont) ! ; Dalmatia 

 (Brusina, as P. punctata) ! 



p. 452.— P. qtjadrata. N. of Hebr., 189 f. (C. and T.). 

 E. Loffoden I., 300 f. (Sars) ; Danish coast (Morch) ! Bur- 

 rows and conceals itself in the soft muddy sand which it in- 

 habits. Its food consists chiefly of Foraminifera. 



P. 453. — P. punctata. E. G. Naples (Stefanis) ! 



p. 454. — p. prttinosa. E. Loffoden I., 300 f. (Sars, as P. 

 granulosa) ! Dalmatia (Brusina) ! 



p. 456.— P. nitida. St. Magnus Bay, 60-80 f. 



P. 462. — Table of distribution, as in preceding volumes. 



N.B. Every naturalist is aware that the note of admiration 

 (!) affixed to a locality or name is a certificate of verification. 



