INDEX TO NAMES. 
Page 
PreamloOn MUCICUM, 5 [62 ae ee ss 2 
Adder’s tongue. Yellow........ ... 18 
Agrostis scabra ...........000: ne 22 
PNETOSHS! VUIBANIS..\- 0 cise s se, veee seo 22 
Ambonychia) radiata... 60. ees sencens 31 
Ambrosia artemisizfolia ..........:. 42 
anbelanenier. 6c)... ...0 es 0s se 5 Meine ge 4 
Amphileptus’ Anser........5..20.0655. 5 
Amphileptus meleagris...............--+- 5 
Anoplotheca concava,:......sesec+.- 31 
PeTISIGA GICHOLOMAs va acnec coccves ses 22 
BEMIS APA ACIS. wc c vicicaclaiiaiscsscccsencoee 22 
BISCERELICGIOES.«. cic.c'se0c x0 S Cpe ae 22 
Aster Novee-Angliz......ceseeeeee nse 42 
Batrachospermum moniliforme:........ 18 
PEAMISEATCOHVES 2 ,-shccccccsc cars verces 27, 
I eis we aus ccbues 2h ae uees os 21 
Cedar; White....... RES rEs ciapaxsen cave 2 
| SIGE IAT hee eee er 31 
Chamecyparis thyoides...........+ 2 
Cheirolepis Munsteri.... . 5 eee 31 
ya Rey agicwe we = 3 30 
Chonostrophia complanata...........+- 31 
0 SR See a eee 28,30 
Slay, Cretaceous... ...0.... 38 
Clidophora trilineata...........+...+- 27 
Crepidula convexa.... ....... Reiteunse 27 
Berevidula fOrnicata. <<... s.ce= 000s -a. 27 
RESEPICUES DIANA re ssccscscctevneesecsss Sree 27 
Cretaceous clay....... Lb Srecose dee Cee 38 
Cypress ....... Pee eaee eos opciel ane snavoes'se 2 
Dalmanella perelegans ..........0se.00006 31 
Dalmanella subcarinata.........c0. cesses ay oid 
UBRUAIIIECS 2.2 ounces casueves soos cdeeeeetases 31 
BPMN SPICHIA, ccsicc-ccccsoscesceeice 22 
Pietyospheerium 2. ...5..... Retesie. ssn’ 5 
ALONIA MECIANS,..cocesccvacseeoeee 53 Se eee 31 
Ensatella Americana... .........cseseeeees 26 
Equisetum Rogersi... . 3? 
Erythronium Americanum............-...+- 18 
pleura CAUAtA..tevsessesssowees e's sees 27 
RED MIURA ade seste ahteuens! c's 'ecewacnacesnase 4 
PUROCYANGODATcesessvadave ssc seecscns-sveres 
ROM MSs aC ytcccnueseececens<ceccccnsesacnese eg 
ee MEISE cess cob akveac) -civienecas.cxansveee 4 
S Graphite..........0scscccnscccecs-cessnsesccooees 31 
PABININEA SOLANA, Vecesescsescesscsncece +s 227 
Page 
Hudson shaly sandstone......sssseesseseeees 31 
Hypersthene....., ....ccccserecsce secssssseese 31 
Tlyanessa obsoleta.....-.-esssreses ceceeeee 27 
PIQUE wea eee ieee cikva, crc eeremeies a scueneg (LG 
FADTAMOIIC sc .celaccooekencssyaanadaetequsacnwes 31 
Wetititis sah on cacecss So aes moon ss oe Be 
Heeopard: PrOOw...cerserscsaecuss cesaeaunanavstns 4 
Leptzena rhomboidalis rugosa... se. - 3 
Limestone. Lower Helderberg. --- 2,31 
Limonite. . er. nase 28,30 
Littorina Peiaiea pS ee ep eee 
WGiEPONI a TUGIS! oc ccccusasccvensscneanss eae 27 
Loperia simplex....... SEG Saale etageey OE 
Lower Helderberg iniegtenc’ 2,31 
Tcunatia heros ~ .. fo 6 5 cakincie cen ws dnee 27 
Lyonsia hyalina.......cessecereeeceneees ceeees 27 
Macoma Baltica. scccccsesecccsscessse 27 
Magnetite .. SARE BPP ec ( - 
Mastodon .. <=... Se yaeaiait aay oe! aia pa 24 
Waristelia latai vewstaoes vsigip css aseosen ween 
Miulinia lateraliSs, acs sccscciwcce o cesessey samy 
Mya aremaria....c. secon: ss cenesereneee sens 27 
Neverita duplicata......cseecsesees + seers 26 
Nucula proxima.....-- etahio risa <= Nas 27 
Oriskany sandstone... ..++seeeeese+ 3 
Orthostrophia strophomenoides 6 ol Oe 31 
Orthothetes Woolworthanus..... ..-- 3! 
Panicum capillare........00+eeereeeereeeeee 22 
Panicum Crus-galli.....e. + -seceeree ee ere 21 
Panicum dichotomum .......sc:0 +e eseeere 22 
Panicum glabrum......00. eeeeeeeeeees 21 
Panicum proliferum........ --+.+++s0++ 20 
Panicum sanguinale .. ..seseeee sees 20 
Petricola pholadiformis......++++.++++ 27 
Pholas truncata. ....s.csccocccssceseresses 27 
Picea Canadensis ...... «++ ess 24,34 
Pine beetle. <i.) cecasen es oceans <0 occ enssvoens OD 
Pistacia Aquehongensis. .. .. .-++.0. 2 
POdsccccossscccsuccncss-secccencens oe csvencevesnes 22 
Pontederia......... 260 see ceeees pi Peis 2 
Potentilla amserina.......-- serene 4 
Potentilla Canadensis..............+-.0++-- 42 
PyroxeNe,... 2.2.0. see cece eens ce reee ener sees 31 
Quartz... cee cece ee cree erent e eee ee ners en es 31 
Rag wWeed,.........csceeeeeeeee ee coereeees 42 
Rhipidomella oblata,............-+-0.00+ 31 
RRCELACOA Lc cede uvetinensecdn cake ee shun Iss 2 
