186 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUM. 



Walcott, C. D. Note upon the Eggs of the Trilobite. <3l8t Regent's Report N. Y. 

 State Mus. STat. Hist., pp. 66-()7? Albany, 1879. 



Published in advance, September 20, 1877, pp. 11-13. 



Extracts from the 3lBt Regent's report, published in March, 1879. 



8. 



Waxcott, C. D. Descriptions of New Species of Fossils from the Chazy and Tren- 

 ton limestones. <[31st Regent's Report N. Y. State Mus. Nat. Hist., pp. 68-71. 

 Albany, 1879. 



Published in advance, September 20, 1877, pp. 15-21. 



Extract from the Slat Regent's report, published In March, 1879. 



Page. 



Arionelliis, Barrande, 1846 15,68 



A. pustulatus, n. s., Walcott, 1877 15,68 



Oeraurus, Green, 1832 15,68 



0. raru8,Ti. s., Walcott, 1877 15-16,68 



Uncrinurus, Emmerich, 1845 16,68 



£. trentonffnsU,n. a., Walcott, 1877 16,68 



H. varicogtatus, n. s., Walcott, 1877 16,69 



Acidagpis, Murchison, 1839 16,69 



A.parvula, b. a., Walcott, 1877 16,17,69 



Dalmaniteg, Barrande, 1852 17,69 



D. intermediug, n. a., Walcott, 1877 17-18,69-70 



lUcBwus, Ualman, 1826 19,70 



1. indeterminatug, n. a., Walcott, 1877 19-20,70-71 



I. milleri, BiUiags 20,71 



Aiaphus, Brongniart, 1822 20,71 



A. hotnalonotoides, n. s., Walcott, 1877 20-21,71 



9. 



Walcott, C. D. Descriptions of New Species of Fossils from the Calciferous forma- 

 tion. <|32<i Regent's Report N. Y. State Mus. Nat. Hist., pp. — . Albany. 



Published in advance, Janoary 3, 1879, pp. 1-4. 



Page. 



Platyceras, Conrad, 1840 



P. minutissimum,n. s., Walcott, 1879 



Metoptotna, Phillips., 1836 



M. comutaforme, n. a., Walcott, 1879 



OonocephaliUs, Adams, 1848 



O. calciferug, n. a., Walcott, 1879 1,2 



a hartii, n. a., Walcott, 1879 2,3 



Ptychagpu, Ka.n, 1863 8 



P. tpeeiosxis, n. a., Walcott, 1879 8 



Bathyum^ annatus, Billings 8k ^ 



10. 



Walcott, C. D. The Utica slate and Related formations. Fossils of the Utioa elate 

 and Metamorphoses of Triarthrus Becki. <[ Trans. Albany Institate, vol. x, pp. 

 1-38, pis. i-ii. Albany, 1879. 



Published in advance, June, 1879. 



Page. 



*Oyalhophyctis, n. g., Walcott, 1879 - 18 



0. relioulatug, u. a., Walcott, 1879, pi. ii, figs. 16, 16 o-d 19 



O. suhtphericus, n. a., Walcott, 1879, pi. ii. flg. 17 19 



\JH»cophyeug,VL.a.^ Walcott, 1879 19 



D. typicalis, n. s., Walcott, 1879, pL ii, figs. 18, 18a 19 



* TLbaJBiK, a cup ; ^Oko{, a weed. t Aiaxo;, a disk; ^vKot, a sea-ireed. 



