205 



Echinoderma 



212013 Clark, William Bullock, and Mayville W. Twitchelï. 89 (73) 



1915. The Mesozoic and Cenozoic Echinodermata of the United States. 

 U. S. geol. Surv. Monogr. Vol. 54, 341 pp., 103 pis. [Clark: 43 nn. spp. 

 in: Isocrinus 2, Encrinus, Aspidura, Cidaris 7, Pentacrinus 2, Ophioglypha, 

 Holectypus 2, Hypodiadema, Leptarbacia n. g., Orthopsis, Heterodiadema, Cot- 

 taldia, Micropsis, Echinobrissus, Cassidulus, Cardimter, Hemiaster 3, Orthe- 

 chinus, Hemipatagus 2, Schizaster 3, Linthia 2, Eupatagus 2, Macropneustes, 

 Sarsella, Coelopleurus 2, Gagaria, Echinocardium. — Twitchell : 30 nn. spp. 

 in : Echinocyamus 2, Scutella 3, Periarchus, Echinanthus, Cassidulus 8, Brey- 

 nella, Laganum 5, Amblypygus, Oligopygus, Echinolampas, Sismondia 2, Den- 

 draster 2, Astrodapsis, Diplothecanthus.] (1161—119) 



(74.4,.9, 75.2,.5-76.2,.4,.7, 78.3,.6-.9, 79.2,.4,.6) 39.1,.4,.5,.8 



14 Wanner, J. 39.1 



1916. Eifelocrtnus und Pertpterocrinus, nom. nov. (Synonymische Be- 

 merkungen). Zeitschr. deutsch, geol. Ges. Bd. 68 B p. 200,[Eifelocrinus 

 n. nom. pro Ptilocrinus Wanner non Clark, Peripterocrinus pro Thalasso- 

 crinus Wanner non Clark.] 



15 Clark, Austin Hobart. 39.1 : 14 



1915. A Monograph of the Existing Crinoids. Volume 1. The Comatu- 

 lids. Part 1. Bull. U. S. nation. Mus. No. 82, VI, 40b' pp., 17 pis, 51& 

 figg. [Structure and anatomy.] 



13.1,.15,.41, 14.31,.34,.35,.61,.63,.67,.7,.78,.83,.84,.88,.89,.92 



16 Clark, Austin H. 39.1 : 14 



1915. A Phyloeenetic Study of the Récent Crinoids with Special Ré- 

 férence to the Question of Specialization through the Partial or Complète 

 Suppression of Structural Characters. Smithson. miscell. Coll. Vol. 65 

 No. 10, 67 pp. 



212017 Clark, Austin 11. 39.1 : 14.92 



1915. A Study of Asymmetry, as Developed in the Genera and Families 

 of Récent Crinoids. Amer. Natural. Vol. 49 p. 521—546, 6 figg. [Dévia- 

 tions from true pentamerous symmetry from internai (type-senescence) 

 or external (phylogenetically excessive cold or warmth) unfavorable con- 

 ditions.] 



18 Schmidt, W. E. 39.1 (114) 



1915. Arthroacantha H. S. Williams == Platyhexacrinus W. E. Schmidt. 

 Centralbl. Min. Geol. Pal. 1915 p. 119-125, 3 figg, [2 nn. spp. in: 

 Arthroacantha.] (43.42,.52,.56) 



19 Wright, James, jun. 39.1 (115) 



1914. On the Occurrence of Crinoids in the Lower Carboniferous Lime- 

 stones of Fife. Trans. Edinburgh geol. Soc. Vol. 10 p. 148—163, 4 pis. 



20 Clark, Austin H. 39.1 (52.1) 



1916. Three Interesting Additions to the Crinoid Fauna of Sagarai Bay 

 and Suruga Gulf, Japan. Proc. Mol. Soc. Washington Vol. 29 p. 105— 

 108. [3 nn. spp. in : Comantheria, Dichrometra^ Prometra.] 



21 Williams, S. R. 39.1 Agelacrinites : 14 



1916. The Structure of Agelacrinites, a Fossil Echinoderm (Cistoid) of 

 the Richmond. (Amer. Soc. Zool.) Science N. S. Vol. 43 p. 180. 



22 Clark, Austin H. 39.1 Comanthus (931) 



1916. The First New Zealand Crinoid. Proc. biol. Soc. Washington 

 Vol. 29 p. 48. [Comanthus trichoptera n. var. benhami.] 



23 Raymond, Percy E. 39.1 Cyclocystoïdes (113) 



1915* Notes sur les Cyclocystoïdes. Canada Minist. Mines Connu, géol. 

 Mus. commém. Victoria Bull. No. 1 p. 29—39» 



24 Wanner, J. 39.1 Lodanella (114) 



1915. Neues über Lodanella mira E. Kays. Palaeont. Zeitschr. Bd. 2 p. 

 81-87, 1 hg. 



212025 Bather, P. A. 39.1 Merocrinus (113) 



1915. Note sur le genre Merocrinus Walcott. Canada Minist. Mines 

 Comm. géol. Mus. commém. Victoria BulL No. 1 p. 18—17. 



