184 PROF. ST. &EOEGE MIVAET OK 



genus Actmelius and the new species Acanthodesmia polyhroclia 

 and Cyrtido splicer a eclmioides.') 



A. Schneider. Archiv fiir Anatomie und Physiologie, p. 509, 

 1867. 



(An histological investigation, showing the comparative unim- 

 portance of the extracapsular portion of the sarcode, at least 

 in Thalassicolla.') 



James Dana. Amer. Journ. of Science and Arts, May 1863, 

 and Ann. & Mag. Nat. Hist. 3rd ser. vol. xii. p. 54, 1863. 



(A very short notice of Sphcerozoum, suggesting a relation be- 

 tween it and sponges.) 



"Wallich, Dr. Gr. C. ' North- Atlantic Sea-bed.' Van Voorst, 

 1862. 



(Unfinished ; plates named, but figures unfortunately without 

 descriptions.) 



"Walltch, Dr. G. C. On the Structure and Affinities of the 

 Polycystina. Quarterly Journal of Microsc. Science, vol. v. (n. s.) 

 1865, pp. 75-84. 



"Wallich, Dr. Gr. C. Ann. & Mag. Nat. Hist. 4th ser. vol. iii. 

 p. 97,1869. 



(Observations on Thalassicolla and SpJicerozoum ; no mention is 

 here made of Haeckel's monograph.) 



Ernst Haeckel. Jenaische Zeitschrift, vol. v. p. 519, pi. xviii. 

 Republished in ' Biologischen Studien,' pt. 1. See also Quarterly 

 Journal of Microscopical Science, (u. s.) vol. xi. p. 63, pi. v. 



(Description, with figures, of the curious form Myxohrachia, here 

 first made known.) 



Alex. Stuart. Neapolitanische Studien. Gottingen Nachr. 

 1870, No. 6. 



(A work of little value, in which the well-known Poraminifer 

 Glohigerina echinoides is described as a Eadiolarian under the 

 name CoscinospTicsra ciliosa.) 



N. Wagner. Bulletin de I'Acad. de St. Petersbourg, vol. xvii. 

 p. 140. 



(Herein is noticed a new species of Myxohrachia, M. Cien- 

 koivskii.) 



Macdonald, Dr. J. D. Quarterly Journ. of Microscopical 

 Science, (n. s.) vol. ix. p. 147, pi. xi., 1869. 



(In which is briefly treated points concerning Sphcerosoum, 

 CollospJicera, and Tlialassicolla nucJeata.) 



