April. Mat. June. July. Aug. Sept. Oct. Nov. Dec. 
Fig. 9.—Leading Crustacea, 1896. Scale, 1 space = 100,000 Crustacea per sq. meter. See p. 308, 316. 
8 
8 
H 
gj 
2 
April. Mat. June. July. Aug. Sept. Oct. Diaptomus 
