BIBLIOGRAPHY OF PAL.^OZOIC CRUSTACEA. 83 



logical Survey, exhibiting the progress of the work, 

 January 1, 1861, p. 49. 



Illoenus imperaior n. sp., /. taurus n. sp. Calymene maminilata n. sp. 

 Dalmanites viyilans ii. sp. 



Preliminary notice of the Trilobites and other 



Crustacea of the Upper Helderberg, Hamilton and Che- 

 mung groups. 



Author's edition, published iu 1861, 11 pis., 170 pp.; l.jth Eept, New 

 York State Cab. Nat. Hist., 1862, p. 82. 



Olenellus n. g. Calymene plati/s Green. Dalmania anchiops Greeu also 

 var. armata, D. selenurufi Eaton, D. cegeria n. sp., Z>. coronota n. sp., D. 

 jnncrops n. sp., D. aspectans Conrad, D. myrmecojihorus Green, D. helena 

 n. sp., D. calyso n. sp., D. jjlemie n. sp., D. erina n. sjj., D. bifida n. 

 sp., D. boothi -Green. Phacops bu/o Green, P. rana Greeu, P. cristata 

 n. sp., P. bombifrons n. sp.,P. racapona u. sp. Proetus conradi n. sp., P. 

 ancjustifrons n. sp., P. hesione n. sp., P. clartisn. sp., P. crassimarginatus 

 Hall, P. canaliculatus n. sp., P. verneidli n. sp., P. hahlemani n. sp., P. 

 rowi Green, P . marginalis n. sp., P. macroceiihalus n. sp., P. macrocepha- 

 lus var. a, P. auricidatus n. sp., P. occiden.9, P. longicaiidus n. sp. Lichan 

 armatus n. sp., L. grandis u. sp. Acidaspis sp.? Beyrichia punctulifera 

 u. sp. Leperditia cayuga n. sp., L. spiniilifera n. sp., L. seneca n. sp. 

 Homalonotus dekayi Green. 



Note on the genus Cypricardites. 



In Fifteenth Eept. New York State Cab. Nat. Hist., 1861, p. 192. Plate 

 illustrating certain genera and species described by T. A. Conrad in the 

 5th Annual Eept. Pal. Dept. New York Geol. Survey, 1841, pi. 11 (reprint). 



Dicranurus, pi. 11, fig. 1. Aspidolites, pi. 11, fig. 2. Acidaspis tubercu- 

 latus, pi. 11, fig. 3. Asaphxis ?■ acanthohrns Conrad, A. ? dcnticulatics Conrad. 



Note upon the Trilobites of the Hudson River 



group, in the town of Georgia, Vermont. 



In Geol. Vermont, vol. 1, 1861, p. 367, pi. 13. 



Barrandia thompsoni Hall, B. vermovtana Hall. Bathi/noiits holopyga 

 Hall. 



Pakeontology of AV'isconsin. Remarks upon 



the condition of the fossils in the rocks of the several 

 formations. Catalogue of fossils known in the Palic- 

 ozoic formations of Wisconsin, with observations upon 

 some of the known species and descriptions of several 

 new forms. 



