Science, Том 109John Michels (Journalist) American Association for the Advancement of Science, 1883 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 201
... observed . In group 2 of trial B , copulation was observed and of three aegypti females examined on October 17 , one had sperm in the spermatheca , although no eggs were hatched . All of sev- eral aegypti females from group 4 of trial B ...
... observed . In group 2 of trial B , copulation was observed and of three aegypti females examined on October 17 , one had sperm in the spermatheca , although no eggs were hatched . All of sev- eral aegypti females from group 4 of trial B ...
Стр. 201
... observed . In group 2 of trial B , copulation was observed and of three aegypti females examined on October 17 , one had sperm in the spermatheca , although no eggs were hatched . All of sev- eral aegypti females from group 4 of trial B ...
... observed . In group 2 of trial B , copulation was observed and of three aegypti females examined on October 17 , one had sperm in the spermatheca , although no eggs were hatched . All of sev- eral aegypti females from group 4 of trial B ...
Стр. 277
... observed in frozen , dried preparations were interpreted as negative tac- toids ( see below ) ; but discrete , positive tactoids , which are illustrated in the present work , were not observed . Forty - eight hours after preparation ...
... observed in frozen , dried preparations were interpreted as negative tac- toids ( see below ) ; but discrete , positive tactoids , which are illustrated in the present work , were not observed . Forty - eight hours after preparation ...
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