218 



Jenkins, J. T. The methods and 

 results of the German Plankton in- 

 vestigations with special reference to the 

 Plankton nets. Liverpool, Proc. Biol. 

 Soc, 15, 1901, (279-341, 11 fias.). 

 [0227]. ~ 2525 



Jenks, A. E. The Hessian fly. 

 [Cecidomyia destruetor.l American 

 Thresherman, Madison, Wis., 3, 1901, 

 (42-43). [4231]. 2526 



Jennings, H. S. Synopses of Xorth 

 American Invertebrates. XVII. The 

 Rotatoria. Amer. Nat., Boston, Mass., 

 35, 1901, (725-777, with pL). [0227 a 

 0231 1627 £7 1631]. 2527 



On the significance of the 



spiral swimming of organisms [as a 

 means of progressive locomotion.] 

 Amer. Nat., Boston, Mass., 35, 1901, 

 (369-378). [0219]. 2528 



and Moore, E. M. Studies 



on reactions to stimuli in unicellular 

 organisms. VIII. On the reactions of 

 Infusoria to carbonic and other acids 

 with especial reference to the causes of 

 the gatherings spontaneously formed. 

 Amer. J. Phvsiol, Boston, Mass., 6, 1901, 

 (235-250). ^[0411 L 8500 Q 0290 

 0275]. 2529 



V. Reighard, Jacob. 



Jensen, Adolf Severin. Om Slimaalens 

 iEg. [On the eggs of il/r/a'me]. Kjoben- 

 havn, Nath. Medd., 1900, 1901, (1-13, 

 with 1 pL). [5415 5431]. 2530 



Lagoa Santa Egnens Slan- 



ger. Et Bid rag til det indre Brasiliens 

 Herpetologi. [The snakes of Lagoa 

 Santa. A contrilxition to the herpe- 

 tology of Central Brazil.] Kjobenhavn, 

 Nath. Medd., 1900, 1901, (99-111). 

 [.5627 5631]. 2531 



Studier over nordiske 



Mollusker. I. Mija. [Studies on northern 

 MoUusca. I. Mya.] Kjobenliavn, Xath. 

 Medd., 1900, 1901, (133-158). [2227 

 2223 2231 K 90.2231 cZe 95.2231 c/a]. 



2532 



Om Levminger af Gnindt- 



vandsdyr paa store Havdyb mellem Jan 

 Mayen og Island. [On the remains of 

 shallow-water animals in great depths 

 between Jan Mayen and Iceland.] 

 Kjobenhavn, Nath. Medd., 1900, 1901, 

 (229-239). [0227 H 25 95 la]. 2533 



— HA'orfra stamme Otoli- 



therne i ,,Ingolfs' ' Bundprover? [Whence 



do the otoliths of the "Ingolf " expedition 

 originate?] Kjobenhavn, Nath. Medd., 

 1900, 1901, (251-257). [5427 H 2.5]. 



2534 

 Jensen, Adolf Severin. Om Ophiosiseps 

 nasutus Du Bocage og dens Stilling i 

 Reptiliernes System. [On Opliiosheps 

 nasutus Du Bocage and its position in 

 the svstem of reptiles.] Kjobenhavn, 

 NatL Medd., 1900, 1901, (317-328, with 

 1 pi.). [5607 5631]. 2535 



Om nogle i danske Have 



ikke tidligere iagttagne Fiske. [On 

 some fishes not hitherto observed in the 

 Danish Seas.] Dansk Fiskeriforenings 

 Medlemsblad, 1901, (489-492). [5427]. 



2536 



Jensen, Paul. Untersuchungen iiber 

 Protophismamechanik. Arch. ges. Phv- 

 siol., Bonn, 87, 1901, (361-417). [0411 

 L 7400 Q 0240 M 3180]. 2537 



Jentink. F[redericus] A[mia]. On a 

 jDecidiarly colored stoat in the collection 

 of the Levden Museum. Leiden, Notes 

 Mus. Jentink, 22, 1901, (25-26). [6023 

 6031]. ■ 2538 



The species of the ante- 



lope-genus Pediotraqiis. Leiden, Notes 

 Mns.'jentink, 22, 1901, (33-43). [6031]. 



2539 



On Ccphalophiis silvicidtor 



(Afzelius). Leiden, Notes ilus. Jentink, 

 22, 1901, (179-187, ^^th 2 pi.). [6031]. 



2540 



The antelopes in the Ley- 

 den Museum reviewed. Leiden. Notes 

 Mus. Jentink, 23, [1901], (17-31, with 

 1 fig.). [6031] 2.541 



On Felis had'ia Grav- 



Leiden, Notes Mus. Jentink, 23, [1901], 

 (91-93). [6031]. 2542 



Jerke, Max. Zur Kenntnis der Oxy- 

 uren des Pferdes. Jenaische Zs. Natw., 

 35, 1901, (347-408, mit 1 Taf.). [1431 

 1419 6019 6031]. 2543 



Jess. V. Piorkowski, Max. 



_ Jesse, W. On a few additions to the 

 birds of Lucknow. Ibis, London, 1901, 

 (597-607;. [5831]. 2544 



Joannis, A. v. Perrier, Edmond. 



Joannis, ahhe J. de. Notes sur la 

 faune du Haut-Tonkin. VI. Lepi- 

 dopteres de la region de Cao Bang. 

 Bui. sci. France-Belgique, Paris, 35, 

 1901, (313-364, av.pl.J. [4431 4427^^7]. 



2545 



