10 Prot. 
PROTOZOA. 
Heliosphcera actinota, tenuissima, (7) pi. v. figs. 5 & 6; inermis, p. 1G8. 
Lithelius primordialis, alveolina, (7) pp. 182 & 183, pi. vi. figs. 4 & G. 
Stylodictya arachnia, (7) pp. 187, 191, & 194, pi. vi. figs. 7, 8, 11, & 13 ; 
quadrispina, p. 190, pi. vi. figs. 9 & 12. 
Euchitonia virchoioi^ (7) pi. vi. fig. 10. 
Sticholonche zanclea, (7) p. 17G. The capsule represents a nucleus ; the 
internal vesicles do not. 
Amphihrachium rhopnlum, (7) p. 190. 
Spongurus cylindricus, (7) p. 196. No sarcodic flagelJuin found. 
Lithocircus productus, annularis, (7) pi. vii. figs. 4 & 5. In the former 
species, the pseudopodial cone lies in an eccentric plane, and is made up 
of fine lines, which end in bacillar bodies. 
Lithomelissa thoracites, (7) pp. 204, 209 & 210, pi. viii. fig. 1. 
Arachnocoi'ys circumtexta, (7) pp. 206, 209 & 210, pi. viii. figs. 2 & 9. 
Eucyrtidium galea, cranioides, (7) p. 210, pi. viii. figs. 3 & 4. 
Eucecryphalus gegenhauri, (7) p. 204, pi. viii. figs. 5 & 6. Perhaps 
identical with Halicalyptra urci, Ehrenberg. 
Carpocanium diadema, (7) pp. 207 & 210, pi. viii. figs. 7 & 8. 
Ccelodendrum ramosissimum, (7) p. 221, pi. x. fig. 12. The reticulate 
shell lies outside the capsule. 
Aulacantha scolymantha, (7) p. 216, pi. ix. fig. 33, pi. x. figs. 7 & 10. 
Aulosphcera elegantissima, (7) p. 218, pi. ix. fig. 1, pi. x. figs. 2, 4, 6, 8 & 14. 
Dictyocha messanensis, Ehrb., = D. fibula, (7) p. 217, pi. ix. fig. 5. 
Actinophrys sol, (8) p. 235, pi. xl. No solid axis found in the pseudo- 
podia ; fission observed in detail. 
Heterophrys myriopoda ?, (8) p. 243. 
Heterophrys ? spp., (8) p. 244, pi. xlv. figs. 1-6, pi. xlvi. figs. 7-13, from 
N. America. 
Rhaphidiophrys, (8) two species from N. America: viridis ?, p. 248, 
pi. xlvi. figs. 1-3, New Jersey ; elegans, p. 250, pi. xlii. 
Wagnerella borealis, described as a Calcisponge by Mereschkowsky [c/. 
Zool. Rec. XV.], is a Helizoan, common at Naples, according to P. Mayer, 
Zool. Anz. ii. p. 357. [Of. Spongiida, p. 9.] 
Actinosphcerium eichhorni, (8) p. 259, pi. xli., from N. America. 
Foraminifera. 
Sagrina, D’Orbigny, (4) p. 274, = dimorphous Uvigerince. 
Spirillina tuberculata, Brady, (4) p. 279, pi. viii. fig. 28, characters 
emended, Kerguelen Island, 20-120 fath. 
Chilostomella, Reuss, (3) p. 280. 
Chilostomella ovoidea, Reuss, (4) p. 280, pi. viii. figs. 11 & 12, N. & S. 
Pacific, N. Atlantic, 95-2300 fath. 
Allomorphina trigona, Reuss, (4) p. 281. pi. viii. figs. 13 & 14, S. Japan, 
Tahiti, 345 and 620 fath. 
Pavonina Jiabelliformis, D’Orbigny, (4) p. 282, pi. viii. figs. 29 & 30, 
Admiralty Islands, W. Indies, Honolulu, 17-390 fath. 
Qlobigerina, D’Orbigny, (4) p. 285. Described species enumerated and 
shortly described. The spiral forms are divided into three types : 1, 
based on G. bulloides ; 2, on G. injlata ; 3, on G. rubra. 
Orbulina, (4) p. 289, to be accepted as subgenus of Glohigerina. 
