695 



2831 



Mobius, Kfarl]. Arktische uiid 

 subarktiscliePantojDodeu. Fauua Arctica, 

 ■Jena, 2, 1901, (35-64). 



Pompeckj, J[os.] F[elix]. Versteine- 

 rmigen der Paradoxides-Stufe von La 

 Cabitza in Sardinien nnd Bemerkungen 

 zur Gliederung des sardisclien Cara- 

 brium. Berlin, Zs. D. geol. Ges., 53, 

 1901, Anfsatze, (1-23, mit 1 Taf,). 



Schaudinn, F[ritz]. Die Tardigraden. 

 Fauna Arctica, Jena, 2, 1901, (185-]96;. 



Schmidt, Fr. Revision der ostbalti- 

 schen silurischen Trilobiten. Abthei- 

 lung V. Asaphiden. Lief e rung II. 

 Die Gattimgen Asaplius, Onchometopus, 

 laotelus und Niohe enthaltend. (Russ.) 

 St. Peterburg, Mem. Ac. Sc, (Ser. 8), 

 XII, 8, 1901, (IV + 114, mit 12 Taf. 

 und 64 Fig. Text). 



Wanner, Atreus. A new species of 

 Olenellus from the Lower Cambrian of 

 York County, Pennsylvania. Washing- 

 ton, D.C., Proc. Nation. Acad. Sci., 3, 

 1901, (266-272, with pi.). 



2803 COMPREHENSIVE AXD 

 GENERAL WORKS. 



Brown, Albert William. Crustacea 

 (including Gigantostraca). [Record of 

 Literature for 1900]. Zool. Rec, 

 London, 37, 1901, (1-49). [2603]. 



2807 



STRUCTURE. 



Ueber die Organisation 



Jaekel, Otto, 

 der Trilobiten. Tl 1. Berlin, Zs. D 

 geol. Ges., 53, 1901, Anfsiitze, (133-171, 

 mit 3 Taf.). [K 35.2831]. 



Organs of Sense. 



Lindstrbm, G[ustaf]. Researches on 

 the visual organs of the trilobites. 

 Stockholm, Vet.-Ak. Handl., 34, 1901, 

 No. 8, (86, with 6 pL). 



2819 



ETHOLOGY. 



Cole, Leon J. Habits of Pycnogonids. 

 (From the Zoological Laboratory, Uni- 

 versitv of Michigan). Woods HoU, 

 Mass.^ Mar. Biol. Lab. Bidl., 2, 1901, 

 (195-207;. [2831]. 



2827 GEOGRAPHICAL 



DISTRIBUTION. 



d Europe. 



de British Islands. 



Woodward, Henry. Note on some 

 Carboniferous trilobites. Geol. Mag., 

 London, (Ser. 4), 8, 1901, (152-154, 

 with pl.j. [2831]. 



g North America. 



gg North Eastern United States. 



Wanner, Atreus. A new species of 

 Olenellus from the Lower Cambrian 

 of York County, Pennsylvania. Wash- 

 ington, D.C., Proc. Nation. Acad. Sci., 

 3, 1901,(267-272, with pL). 



gi Western United States. 



Beecher, C. E. Discovery of Euryptid 

 remains in the Cambrian of Missouri. 

 Amer. J. Sci., New Haven, Conn., 

 (Ser. 4), 12, 1901, (364-366, with 1 pi.) ; 

 Geol. Mag., London, (Dec. IV). 8, 1901, 

 (561-564, with text-fig.). [2831 

 K 50.2831 gi]. 



k Arctic. 



Lbnnberg-, Einar. Ueber die wahrend 

 der schwed. zool. Polarexpedition einge- 

 sammelten Pycnogoniden. Zool. Anz., 

 Leipzig, 24, 1901, (255). 



Mobius, K[arl]. Arktische und subark- 

 tische PantojDoden. Fauna Arctica, Jena, 

 2, 1901, (35-64). [2831]. 



Schaudinn, F[ritz]. Die Tardigraden. 

 Fauna Arctica, Jena, 2, 1901, (185-196). 

 [2831]. 



2831 TAXONOMY AND 

 SYSTEMATIC. 



TRILOBITA. 



General. 



Cole, Leon J. Notes on the habits of 

 Pycnogonids. (From the Zoological 

 Laboratorv, Universitv of Michigan;. 

 Wood's Holl, Mass., Mar. Biol. Lab. 

 Bull., 2, 1901, (195-207). 



