Oct}; 1907. New Crrnorps — Stocom. : 305 
Family BATocrRINID&. 
Habrocrinus benedictt,S. A. M.; H. farringtoni, Slocom; H. lemontensts 
Slocom. 
Pertechocrinus egani, S. A. M.; P. infelix, W. & M.; P. marcouanus, 
W.&M.; P. necis, W. &. M.; P. urniformis, S. A. M. 
Family THYSANOCRINID&. 
Thysanocrinus campanulatus, Slocom; T. egant, S. A. M.; T. occt- 
dentalis, Hall; T. pentangularis, Hall. 
Cyphocrinus chicagoensts, Weller. 
Gazacrinus major, Weller; G. minor, Weller. 
Lampterocrinus dubius, Weller; L. inflatus, Hall; L. robustus, Weller; 
L. subglobosus, Weller. 
Siphonocrinus nobilis, Hall. 
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Family RHopOocRINID&. 
Archeocrinus depressus, Weller. 
Lyriocrinus melissa, Hall. 
Family MELOCRINID&. 
Macrostylocrinus obconicus, Weller; M. semtradiatus Hall; M. siri- 
atus, Hall; M. subglobosus, Weller. 
Melocrinus obpyramidalis, W. & M. 
Corymbocrinus chicagoensis, Weller; C. niagarensis, Weller. 
Family CALYPTOCRINIDA. 
Eucalyptocrinus asper, Weller; E. crassus, Hall; E. depressus, 5. A. M.; 
FE. egant, S. A. M. ; E. mornatus, Weller; E. magnus, Worthen; <E. 
nodulosus, Weller.; EF. obcontcus, Hall; E. ornatus, Hall; E. rotundus, 
S. A. M.; &. turbinatus, 5S. A. M. 
Callicrinus btforcatus, Weller; C. bilobus, Weller; C. cornutus, Hall; 
C. corrugatus, Weller; C. desideratus, Weller, C. digitatus, Weller; 
C. hydet, Weller; C. longispinus, Weller; C. pentangularis, Weller. 
Chicagocrinus wmornatus, Weller; C. ornatus, Weller. 
Order IV. ARTICULATA. 
Family IcHTHYOCRINID®. 
Ichthyocrinus subangularts, Hall. 
Lecanocrinus waukoma, Hall. 
Pycnosaceus americanus, Weller. 
