ye 
CONTENTS. 
PAGE 
No. 1.— Reports on the Dredging Operations off the West Coast of Central 
America to the Galapagos, to the West Coast of Mexico, and in the Gulf of 
California, in Charge of ALEXANDER AGAssiIz, carried on by the U.S. Fish 
Commission Steamer “ Albatross,’ during 1891, Lieut. Z. L. Tannur, 
U. S. N., commanding. XX. The Foraminifera. By Axrn Gots. (9 
niatessand Charia)s March; 18967. 3. .. .) Sielisuetine, 4s Ameer ene we 1 
No. 2.— Contributions from the Zodlogical Laboratory, under the Direction 
of Dr. E. L. Marx. LV. The Reactions of Metridium to Food and other 
SHpsiancesseebyG iH PARKER. WMarch, VeoGMaye unui |. se. 55 WelOD 
No. 38.— Contributions from the Zodlogical Laboratory, ete. LVI. The 
Anatomy and Histology of Caudina arenata Gould. By J. H. Greroutp. 
POpRIATCH.) PEAR ELSOGY rete AMS, 3, oy teal ge lo fe dn ba Galle ee amo 
No. 4.— Contributions from the Zodlogical Laboratory, ete. LVIII. Fur- 
ther Studies on the Spermatogenesis of Caloptenus femur-rubrum. By E. 
VeaVWiricoxs. (orelates)): rune, YO9G.) .- ./e sa enue teed oe a ee OL 
No. 5.— Contributions from the Zodlogical Laboratory, ete. LIX. The 
Development of the Wing Scales and their Pigment in Butterflies and 
Mothssar yen Ga MuEver. (ij; Plates!) Junesl896n, oc. 21. veut co eee OG 
No. 6.— Contributions from the Zodlogical Laboratory, ete. LXV. Report 
on the Turbellaria collected by the Michigan State Fish Commission dur- 
ing the Summers of 1895 and 1894. By W.McM. Woopworru. (1 Plate.) 
June, 1896 . 237 
