608 
PROTOZOA. 
IX. Chalinopsidin-®. 
Chalinopsis (g. n.) cervicornis (p. 60), Antilles j C. conifera (p. 60), Antilles j 
C. clathrodes (p. 60), Caracas. 
Clathria rectangulosa (p. 60), Florida, Tortugas. 
Axinella dava and A. mastophora (p. 61), Florida, Tortugas j A. rugosa 
(p. 61), Cuba, Cozera. 
PhakelUa folium and P. tenax (p. 62), Florida. 
Raspailia (?) hamata (p. 62), West Indies. 
Plocamia (g. n.) gymnazusa (p. 62), Florida ; P. dopetal'iu (p. 62), Cuba, 
Cozera. 
X. Ancorinid^. 
Pachastrella ahyssi (p. 64) and P. connectens (p. 65), Florida. 
Sphinctrella (g. n.) horrida (p. 65), Florida. 
Tetilla polyura (p. 66). 
Ci'aniella (g. n.) tethyoides (p. 46), Florida, Iceland; C. lens and C. 
insidiosa (p. 67), Florida. 
Ancorina sigmophora and A. fibrosa (p. 67), Florida; A, tndividua and 
A. pachastrelloides (pp. 67, 68), Antilles. 
XI. GEODINID.E. 
Geodia pergamentacea and G. globus (p. 69), Portugal; G. simplex (p. 70), 
Greenland ; G. thomsoni (p. 70), Cuba, Cozera. 
Pyxitis (p. 70), type Geodia gibberosa of authors. 
Caminus (g. n.) apiarium (p. 71), Florida. 
Calcar em. 
Hackel’s Prodromus of a System of the Calcareous Sponges ” is trans- 
lated in Ann. N. H. (4) v. pp. 176-191. 
Baeria ochotensis, sp. nov., M.-Maclay (M<5m. P^tersb. 1870, p. 16), Sea of 
Ochotsk. 
Nardoa retiaidum, O. Sdt. (Sp. Atl. T^^=^Tarrus reticulatus, Hackel ; 
Sycon raphanuSy O. Sdt. {ib. p. *lA)^Sycon arcticumf Hackel; Ute utriculus, 
O. Sdt., = Sycariumf Artynas, Sycocystes, Artinella utricidus, H. 
GREGARINIDA. 
Beneden, E. van. On a new species of GregarinUi to be called 
G. gigantea, Q. J. Micr. Sc. Jan, 1870, pp. 51-59. 
Gregarina gigantea, sp. n., E. van Beneden (/. c. p. 62). This species, inha- 
biting the intestines of the lobster, is remarkable for its large size, sometimes 
measuring not less than 16 millimetres in length. The author has made 
the remarkable observation of the successive appearance and disappearance 
of the nucleoli in the nucleus; and, as regards reproduction, he rejects the 
doctrine of the conjugation of two Qregarince in one cyst, but believes that 
the cysts themselves can multiply by division before giving rise to psoro- 
sperms. Mr. E. R. Lankester, in a note appended to the above paper (p. 68), 
though admitting that single Gregarince do become encysted, is still inclined 
to hold to the view that two are usually thus encased. 
