14 Prot, 
PUOTOZOA. 
Tridictyopus elegans, R. Her twig, (7) pp. 203, 209 & 210, pi. vii. fig, 3, 
Messina. 
Eucecryphalus Icevis^ id. 1. c. p. 205, pi. viii. fig. 6, Messina. 
Cystidium inerme^ id. 1. c. p. 214, pi. viii. fig. 1, Messina ; agrees in 
its soft structures Avith the Acanthodesmidce, Plagiacanthidce^ and CyrtidoR^ 
but has no skeleton. 
Ccelacantha^ id. 1. c. p. 219. Differs from Aulosphcera in possessing a 
globular shell within the reticulate shell, and connected with it by bars. 
C. anchorata, id. 1. c. pi. ix. fig. 2, pi. x. fig. 9, Messina. 
Aulosphasra gracilis^ id. ibid. pi. ix. fig. 4, pi. x. fig. 6, Messina, 
skeleton-pieces solid. 
Actinophrys picta, Leidy, (8) p. 241, pi. xlvi. fig. 4, New Jersey. 
Distinguished by possessing chlorophyll granules. 
Foraminifera. 
Cyclammina canceUata, Brady, (4) pp. 24 & 62. Differs from Hyper- 
ammina in having 80‘5 per cent, silica, 8 9 per cent, iron and alumina, 
and 2*9 per cent. lime. From Atlantic and Pacific, 350-1900 fath. 
Hyperammina ramosa, id 1. c. p. 33, N. and S. Atlantic and Pacific, 
300-2600 fath. ; H. vagans, id. ibid. pi. v. fig. 3, N. and S. Atlantic, N. 
Pacific, 2000 fath. 
Jaculella^ id. I, c. p. 35 ; based on J. acuta, sp. n., id. ibid. pi. iii. figs. 12 
& 13, off Norway, Brazil, &c., 350 fath. Tubular, like worm tube, but 
rough internally. 
Marsipella granulosa, id. 1. c. p. 36, pi. iii. figs. 8 & 9, Azores, &c., 1000 
fath. 
Rhabdammina linearis, id. 1. c. p. 37, pi. iii. figs. 10 & 11, W. Indies 
and off kS. America, 390-1900 fath. 
Rhizammina, id. 1. c. p. 39 ; based on R. algceformis lalgi-~\, sp. n., id 
ibid. pi. iv. figs. 16 & 17, off S.W. America, 2160 fath. 
Sagenella, id. 1. c. p. 41 ; based on S. frondescens, sp. n., id. ibid. p. Iv. 
fig. 1, S. Pacific, 16-35 fath. 
Aphrosina, Carter, J. R. Micr. Soc. ii. p. 500 ; based on a new species, 
A. informis, id. ibid. pi. xvii. a, figs. 5-11. Flat, spreading, amorphous, 
composed of flattened chambers, surface tessellated with polygonal arese, 
each enclosing a pore. Resembles Carpenteria. On Amphihelia oculata, 
Atlantic, north of Scotland. 
Sorosphcera, Brady, (4) p. 28. Test free, irregular ; composed of a 
number of sphaeroidal chambers, irregularly crowded together ; walls 
thin, loosely arenaceous ; no general aperture ; maximum long diameter, 
4.5 mm. S. confusa, id. ibid. pi. iv. figs. 18 & 19, off Azores and Buenos 
Ayres, in N. Pacific, and N. Atlantic, 900-2900 fath. 
Astrorrhiza cornuta, id. 1. c. pp. 31 & 43, pi iv. figs. 14 & 15, N. and 
S. Atlantic, S. Pacific, 350-1100 fath. 
Aschemonella, id. 1. c. p. 44. Free; chambers irregular, inflated, walls 
thin, roughish ; length about 3 mm. A. scabra, id. ibid. pi. iii. figs. 6 & 
7, N. and S. Atlantic, N. Pacific, 1000 to more than 2000 fath. 
Thurammina, id. 1. c. p. 45. Free or adherent, thin, set with many 
perforate mammillae. T. papillata, id. ibid. figs. 4-8, cosmopolitan, deep 
