1887] Zoilo, 671 
three hundred and thirteen, but doubtless many of these will be 
found to be synonymes, while there are some omissions to be ex- 
pected in the pages. A tolerably complete bibliography com- 
pletes the article. At a casual glance, however, the following 
titles are noted as not occurring in the list, and are mentioned 
here so as to make it more complete. All have references to 
terrestrial or fresh-water forms in the region embraced in the 
er: 
Abbott, C. C., “ Notes on the Habits of Certain Crawfish,” Am. 
Nar., vii., 1873 
Cooper, J. (ce “ Tepe on the Crustacea,” “ Pacific R. R. Sur- 
vey,’ Oi xii. , pt. ii., 1860. 
_ Faxon, W, “On the so-called Dimorphism in the Genus 
D” Am. Four. Sci., January, 1 1878. 
Haldeman, S. S., “ Crustacea in Baird’s Translation of Hoeck’s 
Iconographic Encyclopædia.” 
Harford, W. 'G. W., “ Description of a New Genus and Three 
re Speciés of Sessile-Eyed Crustacea,” Proc. Cal. Acad., vii., 
1876. 
Hay, O. P., “ Description of a New Species of Crangonyx." 
Printed for the author, June 2, 1878. 
‘Harlan, Richard, ‘ ‘ Description Pr gs Species of the Genus 
Astacus, ” Am. Phil. Trans., 0. S. 
Herrick, C. L., “ Habits of F bdr Crustacea,” Am. NAT; 
October, 1882. 
Herrick, C. L., “ Types of Animal Life, Pt. I., Arthropoda.” 
Minneapolis, 1883. i 
Ingersoll, Ernst, in “ per Report U. S. Geol. Geog. Survey 
of navon for 1874,” p 87, 388. 
Vy Oa Sips of North os Species of 
Alpheus,” 4 "Rudlletin U. S. Geol. Survey, vo 
„Kingsley, J. S., “ Carcinological Notes, V, a ” Bulletin Essex Inst., 
Lockin ngton, W.N,“ Thalassinidæa and knä of the Pacific . 
Coast,” Annals and Mag. Nat. Hist., October, a 
Lamarck, Pi Fist Nat. Animaux sans Vertébre 
pper ‘A. cm “ Structure of the Brain of Seile Eyed Crus- 
tea, Memoirs Nat. Acad. Sci.,” iii. 
Ba h R., “Shrimp and Prawn Fisheries of the U. S., 
Bulletin Fish Commission, 1882. 
__ Rathbun, R., “ Collection of Economic Crustaceans, ¢tc., at 
Fisheries Exhibition, Washington, 1883.” l 
Ryder, J. A., “ Successive Kepiaranee of Chirocephalus and 
ocephalus, ” Am. NAT, p. 703, aces 3 
Stuxberg, ay. Line ge Onis » Ofversigt. Vet. Akad. 
‘Forh. , Stockholm, 1872, No. 9. 
Dr. Q. E. Imhof, after a careful collection of the piicyostontt 
fauna of the e Alpine lakes of Europe, states. that the e u 
