METHODS OF COLLECTING AND PHOTOGRAPHING 89 



JUDAY, CHANCEY. 1896. The Plankton of Turkey Lake. Proc. Ind. Acad. 



Sci., 1896. (Description of plankton net and its use.) 

 1904. The Diurnal Movement of Plankton Crustacea. Trans. Wis. Acad. 



Sci. Arts, and Letters, 14: 534-568, 2 figs. (Clock pump and its use.) 

 1916. Limnological Apparatus. Trans. Wis. Acad., 18: 566-592, 5 pi. 

 Received too late for adequate consideration in the text. 



KOFOID, C. A. 1897. Plankton Studies. I. Methods and Apparatus in 



Use in Plankton Investigations at the Biological Experiment Station of 



the University of Illinois. Bull. 111. State Lab. Nat. Hist., 5: 1-25, 7 pi. 



1898. Hints on the Construction of a Tow Net. Jour. Appl. Micros., i: 



111-113, 5 figs. 



1903. (See list in Chapter I.) 



KOLKWITZ, R. 1907. Entnahme und Beobachtungs-instrumente fur biol- 

 ogische Wasseruntersuchungen. Mitth. Kgl. Priifungsamt f. Wasserver- 

 sorg. u. Abwasserbeseit. zu Berlin, Heft 9: 111-144, 22 figs. 

 MARSH, C. D. 1897. On the Limnetic Crustacea of Green Lake. Trans. 



Wis. Acad., n: 179-224, 10 pi. (Description of closable net.) 

 NEEDHAM, JAMES G. 1903. An Outdoor Equipment for College Work in 

 Biology. Am. Nat., 37: 867-874, 2 figs. (Description of plankton ap- 

 paratus.) 

 REIGHARD, JACOB. 1894. (See list in Chapter I.) 



1898. Methods of Plankton Investigation in Their Relation to Practical 

 Problems. Bull. U. S. Fish Comm., 17: 169-175. 



1908. The Photography of Aquatic Animals in their Natural Environment. 

 Bull. U. S. Bureau Fish., 27: 41-68, 4 pi. 



1909. An Experimental Field Study of Warning Coloration in Coral Reef 

 Fishes. Carnegie Inst., Washington, Publication 103: 257-325, 5 pi. 

 (Contains reproductions of photographs made with camera under water.) 



1910. Methods of Studying the Habits of Fishes, with an Account of the 

 Breeding Habits of the Horned Dace. Bull. U. S. Bureau Fish., 28: 

 1111-1136, 7 pi. 



RUTTNER, FRANZ. 1914. Ueber einige bei der Untersuchung der Lunzer Seen 

 verwendeten Apparate und Geratschaften. Int. Rev. ges. Hydrob. u. 

 Hydrog., 6: 53-62, i pi. 



STEUER. 1910. (See list in Chapter I.) 



THEILER, A. 1914. Ein neuer Wasser- und Planktonschopfer nach Fried- 

 inger. Int. Rev. ges. Hydrob. u. Hydrog. Biol. Suppl. Band 6, Heft 4. 



WARD, H. B. 1896. (See list in Chapter I.) 



WARD, R. H. 1895. Improved Methods of Collecting Aquatic Micro-organ- 

 isms. Amer. Mo. Micr. Jour., 16: 33-41, i pi. 



WHIPPLE, G. C. (See list in Chapter I.) 



WOLCOTT, R. H. 1901. A Modification of the Birge Collecting Net. Jour. 

 Appl. Micros., 4: 1407-1409, 4 figs. 



