A 
ALGZ FROM THE WEST INDIES. 27 
35. PHorMIpIvM, sp. 
Crass. fil. 1-2-1°5 p. 
Stratum dense, thin, and dark eruginous. 
Hab. On damp wall, Roseau, Dominica. (5-9-92.) No. 546. 
Ord. CuHroococcaces. 
36. Curoococcus minor, Naeg. (Gattung. einzell. alg. p. 47, 
t. la. f. 4. Rabh. Fl. Europ. Alg. ii. p. 30.) [Protococcus 
minor, Kuetz. Species Algar. p. 198; Tabule phycolog. i. p. 3, 
t.3.] (Pl. XVI. fig. 17.) 
Diam. cell. 28-4; diam. fam. 11°5-30 p. 
Hab. On damp wall of dam, Sharp’s River, St. Vincent. 
No. 477.—On trees, summit of Trois Pitons (4500 ft.), Dominica. 
No. S03. 
Forma minima. (Pl. XVI. fig. 18.) 
Forma cellulis familiisque minoribus quam forma typica. 
Diam. cell. s. teg. 1-192; diam. fam. 10-28 p. 
Hab. Along with the type from the above-named localities, 
and also on lime-trees, Shanford Estate, Dominica. No. 901. 
37. C. conzrens, Naeg. (Rabh. Fl. Europ. Alg. ii. p. 30.) 
[Pleurococcus coherens, Bréb., 1842. Protococcus coherens, 
Kuetz.] 
Diam. cell. 3°8-6°5 4 (usque ad 7°5 x); diam. fam. 30-173 p. 
Hab. Amongst other alge on trees, summit of Trois Pitons 
(4500 ft.), Dominica. No. 903. . 
This usually occurred in small families, but occasionally in very 
large ones, and now and then in solitary examples. 
38. C. rurarpus, Naeg. (Gatt. einzell. Aly. p. 46. Rabh. Fl. 
Europ. Alg. ii. p. 32.) [Protococcus turgidus, Kuetz. Tabule 
phycolog.i. p. 5, t. 5. £. i.] 
Diam. cell. s. teg. 7°5-10°5 p, ¢. teg. 21-23 ie . 
Hab. On damp wall of dam, Sharp’s River, St. Vincent. 
No. 477. 
A rather small form. 
39. C. scnizopermaticus, West. (Alg. of the Eng. Lake 
Distr. in Journ. Roy. Micr. Soc. Dec. 1892, p. 742, pl. x. 
ft. 61-63.) (Pl. XVI. fig. 19.) 
Diam. cell. s. teg. 115-13 »; diam. ec. teg. 23-28 p. 
Hab. With the preceding species, but much more abundant. 
