File:Transactions (1879) (14578410518).jpg

Identifier: transactionsmic22ameruoft (find matches)
Title: Transactions
Year: 1879 (1870s)
Authors: American Microscopical Society
Subjects: Microscope and microscopy
Publisher: Columbus, Ohio (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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.<f PLATE XVIII
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A CONTRIBUTION TO THE SUBTERRANEAN FAUNA OF TEXAS lOI Plate xvm Figs. 1-10, Nicoletia texensis Ulricli. Fig. 8. Basal portion of antenna. Fig. 2. Thoracic leg. Fig. 9. Two segments of cercopod. Fig. 3. labium. Fig. 10. Abdominal leg. Fig. 4. Left maxilla. Figs. 11-13. Degeeria cavernarum Fig. 5. Maxillary palpus. Pack. Fig. 6. End of max. palpus showing Fig. 12. End of elator. peculiar sense (?)organs. Fig. 13. Claw.Fig. 7. Left mandible. ON THE AMOUNT OF OXYGEN AND CARBONIC ACID DISSOLVED IN NATURAL WATERS AND THE EFFECT OF THESE GASES UPON THE OCCURRENCE OF MICROSCOPIC ORGANISMS By GEORGE C. WHIPPLE and HORATIO N. PARKER WITH FOUR PIRATES INTRODUCTION Of the many factors which affect the growth of microscopic or-ganisms in water the most important is their food supply, and oftlie elements which enter into their composition oxygen and carbc«iare of fundamental importance. Ordinarily these two elements arenot determined in the sanitary analysis of water, and data on theiroccurrence i

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