MUSEUM OF COMPAEATIVE ZOOLOGY. 247 



TRILOBITA. 



Barrande, Joachim. 



Systeme Silurieu du Centre de la Bobeme. Prague at Paris. 



IMetamorphoses des Trilobites, I. pp. 257-278, PI. VII., XLIX., &e. 

 185i. I. Suppl., pp. 182-189, PI. »»5.?m. 1872. 



Cf. A. Gerst.\.ecker in Bronn's Klassen und Ordnungen des Thier- 

 Rrichs, V. (Arthropoda), I. Abt., I. Halfte, pp. 1200-1208, Taf. XLIIL, 

 XLVI. Leipzig und Heidelberg, 1S79. 



Ford, S. W. 



On some Embryonic Forms of Trilobites from the Primordial Rocks at Trov, 

 N. Y. Amer. Journ. Set. ^ Arts [3], XIII. pp. 205-273, 1 pi. 1877. 



On additional Embryonic Forms of Trilobites from the Primordial Rocks of 

 Troy, N. Y., ■vvith Observations on the Genera Olenellus, Paradoxides, and 

 Hi/drocephcdua. Amer. Journ. Sri., XXII. pp. 250-259, 13 cuts. 1881. 



Walcott, C. D. 



Note upon tlie Eggs of the Trilobite. 31.?^ Ann. Rep. K Y. State Mies. Nat. 

 Hist., pp. 66, 67. Alt)a.ny, 1879. (Published and distributed in advance 

 of Report, Sept. 20, 1877.) Bull. Mus. Comp. Zool., at Harvard Cull., in 

 Cambridge, VIII. p. 216, PI. IV. figs. 8, 8«. 1881. 



Fossils of tlie Utica Slate. Trans. Albatiy Inst., X. (Printed in advance, 

 June, 1575.) 



Meiamor))]ioses of Triarthrus Becki, pp. 2i-33, PI. II. figs. I-I5. 



PTCWOGONIDA. 



Allman [George James]. 



On a Remarkable Form of Parasitism among the Pi/rnor/onid^^. Rep. Brit. 



Assoc. Adv. Sci.for 1859, Trans, of Sect., p. 143.' 1860. 



(Young Ammotlieaf parasitic in Cnryne.) 

 Bohm, R. 



Zwei neue, von Herrn Dr. Hilgendorf in Japan gesammelte Pycnogoniden. 



Sitzungs-Bcr. Gesell. naturforsck. Freunde zu Berlin, 1879, pp. 53-60, 



14!0-142. 



(On some structural characters of the young, pp 55, 140, 141.) 



Clapar^de, A. Ren^ Edouard. 



Beobachtungcn iiber Anatomic und Entwicklungsgesnhichte wii-belloser 

 Thiere an der Kiiste von Normandie angestellt. Leipzig, 1863. viii-|-130 

 pp., 18 pi. 



(Development of Phoxkhilidhun, pp. 104, 105, PI. XVIII. figs. 13, 14.) 



