lUlMJCXiKAl'lIY OF PAL.KOZOIC CRUSTACEA. .')/ 



Beitrage zur iiahern Keiiiitniss der in meiiu'i 



Lethaia Rossica beschriebeiien Illaiiius, etc. 



In Bull. Soc. Imp. des Naturalistes Moscou, 18G3, No. 4, p. 372. 



Illaenus parkinsonit Eichw., /. oblotigatuf Eichw., /. laticlavius Eichw., 

 /. wahlenbergii Eichw., /. rudolphii Eichw., /. rossenbergii Eichw., /. cor- 

 nuius 'Eiehw. Actinoboltis atavus 'Eichw. 



Emerson (B. K.) On the geology of Frobisher Bay 

 and Field Bay. 



Appendix 3. Narrative of the second Ai-ctic expedition made by Charles 

 F. Hall, 4oth Cong., 3d sess.. Senate Doc. 27, Washington, 1879. 



Leperditia alta Conrad, L. canadensia Jones. Primila mnta Jones, P, 

 frobisherl n. sp. Beyrichia symvietrica n. sp. Triarthrus beckii Green. 

 Calymenf senarki Conrad. Trilobifes sp. ? Cyphaspis ? frobisherl n. sp. 

 Aitaphiis sp. ? Phacof'ti sp. ? 



Emmons (Ebenezer). Geology of New York. Pt. 2. 

 Comprising the survey of the Second Geological Dis- 

 trict. Albany, 1842. 



Isotelus gigas, fig. 99 (1); Bitmastus trentonensis, fig. 100 (1); Calymene 



senaria, fig. 100 (2); Ilkenus trentonensis, fig. 100 (3); Ceraurus pleurex- 



(inthus, fig. 100 (6); Trinucleus tessellatus, fig. 100 (7); Triarthrus beckii, 

 fig. 110 (1); Trinucleus caractaci, fig. 112 (1). 



The Taconic system, based on observations in 



New York, Massachusetts, Maine, Vermont and Rhode 

 Island. Albany, 1844; 6 pis. and map. 



Atops n. g., A. trilineatus n. sp., fig. 8; ElUplocephala u. g., E. asaphoides 

 n. sp. (not EUipsocephalus Zenker, 1833), fig. 9. 



Agriculture of New York, cuiuprising an ac- 



count of the classification, composition and distribution 

 of the soils and rocks, etc. Vol. I. Albany, 1846; 21 

 pis. and maps. 



Atops trilineatus, fig. 8; Elliptocephala asaphoides, fig. 9. 



On the identity of the Atops trilineatus and 



the Triarthrus beckii Green, with remarks upon the 

 Elliptocephalus asaphoides. 



In Proc. Am. Assoc. Adv. Sci. First meeting, Philadelphia, i84s, p. lo. 

 Atops trilineatus, 'Triarthrus beckii, Elliptocephalus asaphoides. 



