Subject ASC0003evr
The Journal of the Quekett Microscopical Club.
ser. 2, v. 5 (1892-1894), Page 178 (1892-1894)
MBLWHOI Library
BHL Page 6504476
Keywords
number of species chart line graph water flea waterflea Cladocera season month year perch pond curve ephippial female microscopy seasonal distribution Wanstead Park London species count males females distribution cladocera entomostraca