•82 MESSES. W. WEST AND G. S. WEST ON 



Class PMOTOCOCCOIDE^. 



Order EHEMOBI^. 

 Genus Ophiocytium, Nag. 



161. Ophiocytium cochleaee, Nag., Eabenh. PL Europ. Alg. iii. p. 67. 

 Nos. and 1. 



Genus Oocystis, Nag. 



162. Oocystis solitaria, Wittr. in Nordst. et^Wittr. Alg. Exsic. no. 24j4. 

 Nos. 3 and 22. 



163. Oocystis crassa, Wittr. 1. c. no. 355. 



No. 3. 



164. Oocystis elliptica, West, Alg. Eng. Lake District, in Journ. Roy. Micr. Soc, 

 Dec. 1892, p. 736, pi. x. fig. 56. 



Eorma minor, West, 1. c. (? Sydrocytkmi macros'porwm^ W. B. Turn. Freshw. Alg. of 

 E. India, p. 154, tab. xx. fig. 32.) 

 Long. cell. 17-22 /x ; lat. cell. 7-8*5 ^. ; fam. 4 cell. 23x36 /u. (PL V. figs. 13, 14.) 

 No. 3. 



Order PROTOCOCCACEiE. 



Genus Glceocystis, Nag. 



165. Glceocystis vesiculosa, Nag. Gatt. einzell. Alg. p. 66, tab. iv. fig. E ; Rabenb. 

 El. Europ. Algar. iii. p. 29. 



Nos. and 1. 



Genus Rhaphidium, Ktitz. 



166. Rhaphidium polymorphum, Eresen. in Abhandl. der Senckenb. naturf. Gesellsch. 

 ii. p. 199, tab. viii. ; Rabenb. El. Europ. Alg. tab. iii. p. 44. 



Yar. ACICULARE, Rabenb. 1. c. (Mo/phidium acicularCf A. Br. in Rabenb. Alg. no. 4i2.) 

 Nos. 1 and 18. 



Var. FALCATUM, Rabenb. 1. c. {Micrasterias falcata, Corda, Almanach de Carlsbad, 1835, 

 p. 121, tab. ii. fig. 29.) 



No. 18. 



Genus Scenedesmus, Meyen. 



167. Scenedesmus bijugatus, Kiitz. Syn. Diat. p. 607 ; Lagerh. Stockolm. Ped. 

 Protoc. och Palmell. p. 60. (PL IX. fig. 38.) 



Nos. 0, 3, and 18. 



