450» Report of the coiiimiasionor for tUo y>.ai' cudixie Jimo C^O, 1900. 

 By Gaorco M, Bovjora. Hoport of tho U. S, Coi,uiais;jloa of 

 Fish and Fichuries for 1900 (1901), pp. 1-181. 



451. Invosticatlons of aquatic rosourcos and fisheries of Porto 



Rico by the U.S.F.C. steamor Fieh Hauk in 1899, By^harfcon 

 W. Evcniiann, William A. VJilcox, end IJillard C. llarbh. 

 Bulletin of the U. S. Fich Coiiaaission for 1000, pt, 1 (1902), 

 vol. 20, pp. 1-350, 49 plataa, 3 naps, 112 text fiyo, 



452. A mothod of recording egg dovelopmont for uae of fish-culturists. 



By Claudius V/allich. Report of the U. S. Coimuission of Fich 

 and Fisheries for 1900 (1901), pp. 185-194, plate 1. 



453. Statistics of the fisheries of the Middle Atlantic States 



(for 1897), By C. H. Townsend. Report of the Cojoiaiiaaion 

 of Fish and Fisheries for 1900 (1901), pp. 195-310. 



454. Statistics of the fisheries of tho New England States (for 1898). 



By C, H. Tovmsend. Report of the U. S. Commission of Fieh 

 and Fisheries for 1900 (1901), pp. 311-386. 



455. The hydroids of tho V/oods Hole region. By C. C. Nutting. 



Bulletin of the U. S. Fish Commission for 1899 (1901), 

 vol. XrX, pp. 325-386, 



456. Descriptions of 15 new species of fishes from the Hav;aiian 



Islands. By Oliver P. Jenkins, Bulletin of the U. S. FiBh 

 Coimnission for 1899 (1901), vol, XEX, pp. 387-404, 



457. Parasites of fishes of the Woods Hole regions. By Edwin Linton, 



Bulletin of the U. S. Flah Commission for 1899 (1901), 

 vol, nX, pp. 405-492, plates I -XXXIV, 



458. The Mollusca of Porto Rico. By V:. H. Ball and C, T, Simpeon. 



Bulletin of the U. S. Fish Commission for 1900, pt, 1 (1902), 

 vol, XX, pp. 351-524, plates 53-58. 



459. The Brachyura ond Macrura of Porto Rico. By Mary J, Ilithbun, 



Bulletin of the TI. S, Fish Commission for 1900, part 2 (1902), 

 pp, 1-127, 2 plates, 



460. The Anomuran collections i^Qde by the Fiah Hawk expedition to 



Porto Rico, By J, E. Bonedict. Bulletin of tho U. S. Fish 

 Coiu.iisBion for 1900, part 2 (1902), pp. 129-148, plates 3-6, 



461. The Stomatopoda of Porto Rico, By R. P. Bigelow. Bulletin of 



tho U. S. Fish Commission for 1900, part 2 (1902), vol, XX, 

 pp. 149-160. 



462. Report on Porto Rican laopoda. By H. F. Moore. Bulletin of the 



U. S. Fiah Coinmission for 1900, part 2 (1902), vol. XX, 

 pp. 161-176, plates 7-11. 



43 



