Oct., 1907. New Crinoids — Slocom. 305 



Family Batocrinid^e. 



Habrocrinus benedicti, S. A.M.; H.farringtoui, Slocom; H . lemontensis 



Slocom. 



Periechocrinus egani, S. A. M.; P. infelix, W. & M.; P. marcouanus, 



W. & M. ; P. necis, W. &. M. ; P. urniformis, S. A. M. 



Family Thysanocrinid,e. 



Thysanocrimis campanulatus, Slocom; T. egani, S. A. M. ; T '. occi- 

 dentalism Hall; T. pentangularis , Hall. 

 Cyphocrinus chicagoensis , Weller. 

 Gazacrinus major, Weller; G. minor, Weller. 



Lampterocrinus dubius, Weller; L. inflatus, Hall; L. r obust us, Weller; 

 L. subglobosus, Weller. 

 Siphonocrinus nobilis, Hall. 



Family Rhodocrinid/e. 



Arclueocrinus depressus, Weller. 

 Lyriocrinus melissa, Hall. 



Family Melocrinid^e. 



Macrostylocrinus obconicus, Weller; M. semiradiatus Hall; M. stri- 



atus, Hall; M. subglobosus, Weller. 



Melocrinus obpyramidalis, W. & M. 



Corymbocrinus chicagoensis, Weller; C. niagarensis, Weller. 



Family Calyptocrinid^e. 



Eucalyptocrinus asper, Weller; E. crassus, Hall; E. depressus, S. A. M. ; 

 E. egani, S. A. M. ; E. inornatus, Weller; E. magnus, Worthen; E. 

 nodulosus, Weller.; E. obconicus, Hall; E. ornatus, Hall; E. rotundus, 

 S. A. M.; E. turbinatus, S. A. M. 



Callicrinus biforcatus, Weller; C. bilobus, Weller; C. cornutus, Hall; 

 C. corrugatus, Weller; C. desideratus, Weller, C. digitatus, Weller; 

 C. hydei, Weller; C. longispinus, Weller; C. pentangularis, Weller. 

 Chicagocrinus inornatus, Weller; C. ornatus, Weller. 



Order IV. ARTICULATA. 



Family Ichthyocrinid.e. 



Ichthyocrinus subangularis, Hall. 

 Lecanocrinus waukoma, Hall. 

 Pycnosaccus americanus, Weller. 



