The Journal of biological chemistry . owl limpet to make a complete study of its reproductive system. The results of these analyses are given in Tables I and II. As the animals were collected about the time of the breedingseason, the reproductive system was considerabty enlarged andcompactly filled with sperm and eggs. No special study of maleand female was carried on except in determining the protein * This paper is a part of a thesis to the Department of Chemistry ofStanford University in partial fulfillment of the requirement for the degreeof Doctor of Philosophy. 1 Albrecht, P. G., /. Biol
The Journal of biological chemistry . owl limpet to make a complete study of its reproductive system. The results of these analyses are given in Tables I and II. As the animals were collected about the time of the breedingseason, the reproductive system was considerabty enlarged andcompactly filled with sperm and eggs. No special study of maleand female was carried on except in determining the protein * This paper is a part of a thesis to the Department of Chemistry ofStanford University in partial fulfillment of the requirement for the degreeof Doctor of Philosophy. 1 Albrecht, P. G., /. Biol. Chem., 1920-21, xlv, 395. 483 484 Chemical Study of Marine Mollusks TABLE System. Constituents. Ahalnnp Pismo Crypto- Ischno-Abalone. ^^^^_ chiton, chiton. 100 gm. of fresh reproductive system tissue. Water Total Alcohol extractives, Fl + F2 Lipin fraction, Fl Water-soluble fraction, F2 Alcohol- and water-insoluble fraction, F3. Ash of Fl -1- F2 F3 Total N Protein Purine N Creatine and creatinine Uric acid. + F3. Alcoholic extracts, Fl + residue, F3. Total solids, Fl F2 Ashof Fl + F2 F3. 100 gm. of Fl Total N Amino-acid N Total sulfur phosphorus Lipin sugar None. 100 gm. of F2. Total N Amino-acid N. Proteose N Urea N Ammonia Total sulfur Inorganic sulfur. None. None. IC a p. G. Albrecht 485 TABLE I.—Concluded. Constituents. Abalone. Pismoclam. Crjpto-chiton. Ischno-chiton. 100 gm. of F2—Concluded. Total phosphorus Inorganic phosphorus Creatine and creatinine Uric acid Reducing sugars after hydrolysis
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