176 MOLLUSCOIDA. 
Metschnikoff, Elias. Zur Entwicklungsgeschichte der ein- 
fachen Ascidien. Z. wiss. Zool. xxii. pp. 339-347, woodcuts. 
Pavesi, P. On the Circulation of the Blood in Pyrosoma, 
especially as observed in the embryo. Q. J. Micr. Soc. (2) 
xii. pp. 275-283, pi. 12. 
Saks, G. O. On some remarkable forms of Animal Life from the 
great deeps off the Norwegian coast. — Part I. Partly from 
posthumous manuscripts of the late Prof. Mich. Saks. 
University-Programme. Christiania: 1872, 4to, 82 pp., 
6 pis. 
CoNTlUBUTIONS TO EaUNAS. 
17 species of Bryozoa and a few Tunicata, observed on tlie coast of Nor- 
thern Germany, are enumerated by A. Metzger, JB. Ges. Hannov. xxi. (1871), 
pp. 26 & 27. 
A. Giard gives a descriptive list of Ascidice observed by him at Boscoff, on 
the coast of Brittany : Arch. Z. Par. i. pp. 404-406 and 613-662. 
3 species of Bryozoa^ Tendra zostericola (Nordm.), Lepralia malusi and 
foraminifera (auct. mdl.), and 4 Tunicata^ Phidlusia intcstinalisy Cynthia 
microcosmus, Botryllus roseus, and Appendicidaria cophocerca^ have been 
hitherto observed living in the Black Sea: Ulianin, ^Materials for a 
Fauna of the Black Sea ’ (in Russian). Moscow : 1872, pp. 79 & 88. 
The Terebratulidce of the N. Pacific enumerated, and some new Tunicata 
from thence described by Dali, Am. J. Conch, vii. pp. 166-159. 
BRACHIOPODA. 
Dali (/. c. pp. 89-69, pi. 10) is convinced that the homologies between the 
Bracliiopods and Annelids are only superficial. 
For corrections of and additions to the former revision of the genera and 
species of Brachiopods (Zool. Rec. vii. p. 182), cf. id, ibid. pp. 60-84, pi. 11. 
Terebiiatulidas. 
'Terebratula cubensis (Poiu’tales) distinct from the European vitrea (Born) ; 
Dali, ibid. p. 61. 
Terebratidina cailleti (Crosse). New localities in the West Indies, and 
some remarks concerning its form, perhaps (Davidson) ; id. ibid. 
pp. 61 & 62. 
Agtdhasia (King) may be a young state of any Terebratidina, and at most 
should only be considered a subgenus ; id. ibid. pp. 62 & 63. 
Civynia (King) capsida (Jefir.) is perhaps also the immature stage of a 
known Terebratida ; id. ibid. p. 64. 
Waldheimia raphaelis (Dali), septiyera (ho\^n),^oridana (Pourtales), and 
septata (Lov»§n) all distinct from one another, the last a 7'erebratella: id. ibid. 
pp. 63 & 64. 
Terebratella transvet'sa (Sow.) = ca«rma (Gould), id. ibid. p. 64 j T. rubiyi- 
