REPORT OF THE DIRECTOR I917 49 



31 Gennaeocrinus eucharis (Hall) 



32 Gennaeocrinus kentuckiensis (Shumard) 



33 Gennaeocrinus nyssa {Hall) . 



34 Gennaeocrinus peculiaris sp. nov. 



35 Gilbertsocrinus spinigerus (Hall) 



36 Hadrocrinus polydactylus (Hall) 



37 Hystricrinus depressus (W. Of Sp.) 



38 Hystricrinus eboraceus (Hall) 



39 Hystricrinus granosus sp. nov. 



40 Hystricrinus ithacensis (Williams) 



41 Hystricrinus leai (Lyon) 



42 Hystricrinus punctobrachiatus (Hall) 



43 Hystricrinus splendens sp. nov. 



44 Lecocrinus indianensis (M. & G.) n. com. 



45 Mariacrinus beecheri Talbot 



46 Mariacrinus plumosus H all 



47 Mariacrinus ramosus Hall 



48 Mariacrinus stoloniferus Hall 



49 Marsipocrinus tentaculatus (Hall) 



50 Megistocrinus depressus Hall 



51 Megistocrinus Ontario Hall 



52 Melocrinus bainbridgensis Hall & Whitf. 



53 Melocrinus breviradiatus Hall 



54 Melocrinus chemungensis sp. nov. 



55 Melocrinus chemungensis var. parvus var. nov. 



56 Melocrinus clarkei (Hall MS) Williams 



57 Melocrinus gracilis W. & Sp. 



58 Melocrinus (Trichotocrinus) harrisi Olsson 



59 Melocrinus (Trichotocrinus) lutheri sp. nov. 



60 Melocrinus naplesensis sp. nov. 



61 Melocrinus nobilissimus (Hall) 



62 Melocrinus nodosus (Hall) 



63 Melocrinus pachydactylus (Hall) 



64 Melocrinus paucidactylus (Hall) 



65 Melocrinus reticularis Olsson 



66 Melocrinus williamsi Olsson 



67 Melocrinus sp. ? ( Young) 



68 Pterinocrinus quinquenodosus s£. nov. 



69 Rhodocrinus nodulosus ifa// 



70 Rhodocrinus nodulosus var. pernodosus var. nov. 



71 Sphaerotocrinus ornatus sp. nov. 



72 Springerocrinus stellatus sp. nov. 



73 Thamnocrinus troosti (Hall) n. coin. 



74 Thylacocrinus gracilis (Hall) n. com. 



B Flexibilia 



1 Clidochirus schucherti (Talbot) n. com. 



2 Eutaxocrinus avoca sp. nov. 



3 Eutaxocrinus chiriformis sp. nov. 



