REPORT ON THE CRINOIDEA. 427 



Thomson-, C. W., On tlio Structiirf of the PakBOKoic. Ciiiioids. Abstract ia Proc. Roy. Soc. Edin., vol. vii.' 



1869-72, pp. 415-418. 

 On the Crinoids of the "Porcupine" DeepSea Dredging E.^pedition. Proc. Roij. Sue. Edin., vol. vii., 



1869-72, pp. 764-773. 

 Notice of new Living Crinoids belonging to the Apiocrinida. Jniirn. Linn. Soc.'Limd. (Zool.), vol. xiii., 



1876, pp. 47-55, 5 cuts. 



Desciiption of Pentacrinus maclearanus, in The Atlantic. London, 1877, vol. ii. pp. 123-126. 



On the Structure and Relations of the Genus Holopus. Abstract in Proc. Roy. Soc. Edin., vol. ix., 



1875-78, pp. 40.5-410. 

 Trautschold, H., Ueber die Bezeichnung der Kelchplatten der Crinoideeu. Bull. Soc. imp. des Nat. Moscoii, 



t. Ivii., 1882, No. 3 (1883), pp. 201-203. 

 Wachsmuth, C, Notes oa the Internal and External Structure of Pahvozoic Crinoids. Amei: Journ. Sci. and 



Arts, vol. xiv., 1877, pp. 115-127, and pp. 181-191. 

 Wachsmuth, C, and Springer, F., Transition Forms in Crinoids and Description of five new Species. Proc. 



Acad. Sri. Nat. Philcul, 1878, pp. 224-266, 2 pis. 

 Revision of the Palreocrinoidea — Part I. The Families Ichthyocrinidaj and CjathocrinidiT. Proc. Acad. 



Sci. Nat. Phi/ad., 1879, pp. 226-378, pis. xv.-xvii. 



Revision of the Paleeocrinoidea — Part II. Family Sphceroidocrinidse, with the subfamilies Platy- 



crinidae, Rhodocrinidiie, and Actinocrinidaj. Proc. Acad. Sci. Nat. Philad., 1881, pp. 177-411, 



pis. xvii.-xix. 

 Weinberg, A., Die Morphologic der lebenden Crinoideen mit Beziehung auf die Form Antedon rosacea, 



Linck. Der Naturhidoriker, Jahrg. v., 1883, pp. 266-307. 

 Winkler, T. C, Description d'un Crinoide et d'uu poisson du Systeme heersien. Archiv du Mtn<. Tcyler. 



Harlem, vol. ii., 1869, pp. 297-307, pi. xxxviii. 

 Wright, T., On the Occurrence of the Genus Cotylederma in the Middle Lias of Dorsetshire. Geol. Mag., 



N. S., Decade IL, vol. ii., 1875, pp. 505-506. 

 ZiTTEL, K. A., Handbuch der Palajontologie. Palffiozoologie, Bd. i. Abth. 1, 1876-80. Crinoidea in 



pp. 315-437, 96 cuts. 

 Ueber Plicatocrinus Fraasi aus dem oberen weisseu Jura von Nusplingen in AViirtemberg. Sitzuntjsh. 



d. II. CI. k. haier. Akad. d. Wiss. Wien., 1882, pp. 105-113, Taf. i., ii. 



The following .short notices of recent Crinoids seem worth quoting in extenso. We 

 have, unfortunately, no further knowledge of any of the types to which they relate. 



" Une espece nouvelle d'Encrine vivante a dt6 d^couverte par le r^v^rend C. PleydeU a Newcastle sur la 

 riviere Hunter, dans la Nouvelle Hollande ; I'auteur propose de lui donner le nom d'Encrinus australis. Elle 

 n'a pas de colonne vertebrale, mais le corps de I'animal a environ un cinquierae de pouce de long, et est termini 

 dans cette direction par une base circulaire. A I'extremite opposee du corps sont attaches cinq appendices 

 claviculaires." L'Institut, 1845, p. 292. 



Is this a Crinoid at all 1 



IL 



" Professor Sigmund Schultze aus Greifswald zeigte einen neuen Pentacrinus, welcher ihm von Amboina 

 iibersandt ist, in Abbildungen vor und sprach iiber die drei Arten, welcher cr in dieser seltenen, bisher nur in 



