April 24, 1914] 



SCIENCE 



619 



emphasis, such as Wright's blood stain and 

 Mallory's connective tissue stain, the latter not 

 given in its latest form. Easting's Nocht's 

 blood stain is not mentioned, nor the value 

 and usefulness of formalin with the freezing 

 microtome. Under embryological methods the 

 modeling methods should perhaps have been 

 given more attention, and to the von Wijhe 

 methylene blue clearing method for cartilage 

 might well have been added others such as 

 the alizarin oil of wintergreen and benzyl- 

 benzoate method (Spaltcholtz) and the 

 Schultze caustic potash and glycerin clearing- 

 methods for bone and nerves. But when all 

 is said, the emphasis should be placed, not on 

 what has been omitted, but on the large num- 

 ber of standard methods that have been in- 

 cluded. 



The index is full, cross references are nu- 

 merous and the typography, paper and bind- 

 ing satisfactory; typographical errors are 

 rare; in fact, the high standard of the sixth 

 edition has been maintained in the present 

 one, which, like those that have preceded it. 

 may be expected to occupy an important place 

 on the table of the practical worker with the 

 microscope in the field of biology. 



B. F. KlNGSBURI 



SEVENTS LIST OF GENEBIC NAMES 

 {TVNICATES) UNDER CONSIDERATION 

 IN CONNECTION WITH THE OFFI- 

 CIAL LIST OF ZOOLOGICAL 

 NAMES 

 26. Notice is hereby given of the receipt by 

 the secretary of the Commission on Nomen- 

 clature of the following communication re- 

 garding generic names of tunicates. All per- 

 sons interested in the matter are cordially 

 invited to submit to the secretary any argu- 

 ments for or against the proposed action. In 

 accordance with instructions from the Inter- 

 national Congress, the secretary is required to 

 give at least one year's notice to the zoological 

 profession before the Commission takes any 

 action involving the acceptance of any name 

 under the plenary power for suspension of 

 rules. 



2Y. In accordance with iuKtructions from 



the Congress, copies of this notice are . sent 

 simultaneously, but without comment, to the 

 following journals: Bull. Soc. Zool. France, 

 Monifore Zoologico, Nature, Science, Zool. 

 Anz. 



Doliolum, Pyrosoma, Salpa, Cyclosalpa, Ap- 

 pendicularia und Fritillaria sind gegen 

 Aenderung zu stiitzen. 



Wir 12 unterzeichneten Tunicatenforscher 

 sind iibereingekommen, die 6 genannten 

 Genusnamen pelagischer Tunicaten als giiltig 

 anzunehmen. Die Namen dieser Tunicaten 

 werden von jedem Zoologen als vollkommen 

 eingebiirgert anerkannt werden, ihr Gebrauch 

 hat bisher niemals zu Missverstiindnissen 

 Aiilass gegeben, die Genera sind Paradigmata 

 in der zoologischen Systematik, sie spielen in 

 der Entwicklungsgeschichte eine grosse Rolle 

 und beanspruchen in der Tiergeographie, 

 Planktonforschung und auch in der Hydro- 

 geographie einem ganz hervorragenden Platz. 

 Eine Aenderung der Namen wiirde eine 

 sehwere Schadigung bedeuten. 



(1) Doliolum Quoy & Gaimard, 1834. — 

 Doliolum ist von Otto 1823 (N. Acta Ac. 

 Leop., V. 11, p. 313) fiir eine wohl durch 

 Phronima ausgefressene Pyrosoma aufgestellt 

 worden. Dann ist Doliolum von Quoy & 

 Gaimard, 1834 (Voy. Astrolabe, v. 3, p. 699) 

 gut beschrieben und jetzt in letzterem Sinne 

 allgemein in Gebrauch. Den bisherigen 

 Eegeln nach wiirde Doliolum Synonym zu 

 Pyrosoma werden, fiir Doliolum in heutigem 

 Sinne wiirde ein neuer Name gebildet werden 

 miissen. Der Familienname Doliolida wiirde 

 verschwinden. 



(2) Pyrosoma Peron, 1804. — 1804 beschrieb 

 Peron (Ann. Mus., Paris, v. 4, p. HO) Pyro- 

 soma und ebenfalls 1804 Bory (Voy. lies Afr., 

 V. 1, p. 107, nota) Monophora. Welcher der 

 beiden Namen der altere ist, lasst sich nicht 

 feststellen, aber aus Quoy & Gaimard, 1824 

 (Voy. TJranie & Physicienne, p. If95) scheint 

 hervorzugehen, dass Monophora alter ist; sie 

 schreiben " Bory — avait donne le nom de 

 monophore a un mollusque, qui depuis a ete 

 appele pyrosome Peron." Es empfiehlt sich 

 den Namen Pyrosoma fiir alle Falle zu sichern. 



