

MUSEUM OF COMPARATIVE ZOOLOGY. 247 



TRILOBITA. 

 Barrande, Joachim. 



Systeme Silurien du Centre de la Boheme. Prague et Paris. 



Metamorphoses des Trilobites, I. pp. 2.17-278, PI. VIL, XLIX., &c. 

 1852. I. Suppl., pp. 182-189, Y\. passim. 1872. 



Cf. A. Gerstaecker in Bronn's Klassen und Ordmingr.n des Thier- 

 Re'ichs, V. (Arthropoda), I. Aht., I. Ilalfte, pp. 1200-1208, Taf. XLIIL, 

 XLVI. Leipzig und Heidelberg, 1879. 



Ford, S. W. 



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

 N. Y. Amer. Jount. Sci. 8,- Arts [3], XIII. pp. 265-273, 1 pi. 1877. 



On additional Embryonic Forms of Trilobites from the Primordial Rocks of 

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

 Hydrocephalus . Amer. Joum. Sci., XXII. pp. 250-259, 13 cuts. 1881. 



Walcott, C. D. 



Note upon the Eggs of the Trilobite. 3L?# Ann. Rep. N. Y. State Mus. Nat. 

 Hist., pp. 66, 67. Albany, 1879. (Published and distributed in advance 

 of Report, Sept. 20, 1877.) Bull. Mas. Comp. Zo'61., at Harvard Coll., in 

 Cambridge, VIII. p. 216, PL IV. figs. 8, 8 a. 1881. 



Fossils of the Utica Slate. Trans. Albany Inst., X. (Printed in advance, 

 June, 1879.) 



Metamorphoses of Triartkrus Bec/ci, pp. 21-33, PI. II. figs. 1-15. 



PYCNOGONIDA. 

 Allman [George James]. 



On a Remarkable Form of Parasitism among the Pycnogovidfn. Pup. Brit. 

 Assoc. Adv. Sri. for 1S59, Trans, of Sect., p. 113. 1860. 



(Young Anmothea? parasitic in Coryne.) 

 Bohm, R. 



Zwci ncue, von Hcrrn Dr. Ililgcndorf in Japan gesammelte Pycnogoniden. 



Sitzungs-Ber. Gescll. naturforsch. Freunde :u Berlin, 1S79. pp. 53-60, 



140-142. 



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



Claparede, A. Ren£ Edouard. 



Beobachtungen iiber Anatomic und Entwicklun2:s£:eseliichte wirbolloser 

 Thiere an der Kiistevon Normandie angestellt Leipzig, 186S. viii-f-180 

 pp., 18 pi. 



(Development of PhoxkhiUdinm, pp. KM, 106, PI. XV11I. figs. 18, 14.) 



