No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Die Maxillen und das Labium sind lihnlich wie bei Rh. X. Charakteristisch sind die Form und Flirbung des Kopfes (Fig. 15). Er ist schmal, das hintere Drittel noch schmaler als der Vorderkopf. Die Farbe ist gleichmlifiig hellrdtlichgelb ; der Cypeus hat vier orangerote Punkte, die Pleuren deren sech
The present contribution is based on a study of a collection of preserved planktonic algae, made available to me by courtesy of professor PRESCOTT, Michigan State University The material contained 166 samples, collected' during the months April-December 1957, from Spring Lake in Ottawa County, Michi
A correlation between the dissolved oxygen and phytoplankton was observed in the newly created Volta Lake although a similar correlation was not observed in the Volta River before the impoundment (BISWAS, 1966a) . The lake was initially filled with an opalescent brown flood water rich in iron (BIswA