740 General Notes. (July, 
of Sicily. The species was described by Ruppel from the Red — 
sea, but has been taken at Palermo and on the Algerian coast 
It attains the length of six feet.——-The Marchese A. De Gre — 
gorio (// Nat. Sic., March), continues his notes on the Jurassic — 
corals of Sicily, and describes four new species.——Miss Roa — 
Smith (Bull. Col. Acad. Sci., 1884), describes Sgualius lemmoni, dis- — 
covered by Mr. J. G. Lemmon in Rillito creek, near Tucson, — 
Arizona.——Professor Greeff (Sitz. Ges. Natur. Marburg) describes — 
Gobius bustamentei from St. Thomas. 
Reptiles —Dr. Strahl (Sitz. Ges. Bef. Natur. Marburg, 1882-83) 
describes the development of Lacerta agilis, vivipara and vindi, — 
especially of the latter. The allantois, the changes in the ovum — 
and the formation of the vascular system in the germinal disk, — 
are given at length. 
Mammals.—Professor Lieberkuhn (Sitz. Ges. Natur. Marburg, — 
1882), gives the results of his researches into the development of 
the ovum and embryo of the porpoise; and in the same C 
ings, 1883, discusses the formation of the medullary canal in 
mammals generally. ; 
PHYSIOLOGY.! 
CorornG Matters oF BiLe.—C. A. MacMunn is led by his 
observations to dispute a generally accepted view that ba 
wide distribution of a coloring matter, which is beyond doubt å 
chlorophyll pigment; this it is proposed to ca 
phyll 
the chlorophyll in the state in which it occurs shodid E d 
ollusca, or in the pyloric cæca of star-fishes, &c. Be i 
body would appear to differ from plant-chlorophyll in h, ough j 
ined by the 1 
reduced “gt l 
“ probably due to the action of a ferment on the cn oe 
pectroscopic measurements show that the liver of see 
contains a coloring matter which, when treated in = r ution 
tion with nitric acid, gives the same spectrum as a sim! ar w 
of leaf-green when treated with that reagent. A large 
of other Mollusca have been examined. studied; 
Among the Arthropoda, Crustaceans have alone ee ot 
in the common crab enterochlorophyll was rarely, pars ae 
1 This department is edited by Professor Henry SEWALL, of Ann amn 
