I. GENERAL SUBJECTS. 
34 Gen. Sub. 
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635. Sherborn, C. Davies. Explanation of the plan adopted for pre- 
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Shipley, A. E. [See Harmer & Shipley (308).] 
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636. Simrotii, H. IJeber die einfachen Farben im Tierreicli. Biol. 
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637. Smith, W. Anderson. The coloration of fishes. Tr. Nat. Hist. 
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638. Sobotta, J. Die Reifung und Befruclitung des Wirbeltiereies. 
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639. . Ueber die Bildung des Corpus luteum bei der Maus. Arch. 
mikr. Anat. xlvii, pp. 261-308, 3 pis. 
640. Spencer, Baldwin. Through Larapinta Land ; a narrative of 
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641. . Summary of the zoological, botanical, and geological results 
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642. Spuler, A. Beitriige zur Histiologie und Histiogenese der Binde- 
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643. . Ueber Ban und Enstehung des elastischen Knorpels. SB. 
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644. °Staderini, — . Di alcuni recenti lavori sui rapporti della strut- 
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645. Standfuss, M. Handbuch der palaearctischen Gross-Schmetter- 
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Hybridism, modification, &c. 
646. °Starr, M. Allen. Atlas of nerve-cells. [With the co-operation 
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647. Stebbing, T. R. R. Rules of nomenclature in Zoology. Nat. Sci. 
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6-18. St5hr, Pii. Lehrbucli der Histologie und der mikroskopischen 
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649. Stokes, A. C. Aquatic microscopy for beginners, or common 
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650. Stuassmann, P. Beitriige zur Lehre von der Ovulation, Menstru- 
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