THE - CONCHOLOGISTS’ > EXCHANGE. 27 
Comp. Physiology, 
Botany, Cryptogamia: Lea’s on a Fossil Saurian of 
the New Red Sandstone Formt’n: Lesquereux’s 
Cretaceus Flora, 50 plates, Smith’s Mis. Col. Vol. 4, 
Neuroptera, Vol. 6 Diptera and Coleoptera, 3 pp out, 
uneut, or any of the shells on my Price List which 
I may have in duplicate. Parties not having any of 
the shells wanted above, need not apply. 
AVERELL, Chestnut Hill, Phila. 
Bohn’s edition: Coultas, Prin. | 
W: D. | 
| Same 
For Exchange.—A black-walnut Egg Case, having 
five drawers, each 24x14x2 inches. The bottoms of 
the drawers come out, leaving slits for partitions. 
Will exchange it for sets or singles (Bird’s Eggs), 
instruments, or Books on Ornithology or Odlogy. 
Write first. VAN LEWIS, Potsdam, N. Y. 
Humming birds’ nests and eggs to exchange for 
E. Pleas, Dunreith, Ind. 
Offers requested in exchange for many of the 
smaller moilusks of the waters south of Hatteras. 
Exchange List ready. W.H. RUSH, M.D., 1308 
Green Street, Philadelphia, Pa. 
Offered.—F ine specimens marine and land shells 
for perfect echinoderms. Land and _ fresh-water 
shells from the South and Southwest for reptiles in 
aleohol, D. W. FERGUSON, 138 Wilson St., Brook- 
Ling sails Ge 
Offered.—Unio Leibii, Lea, and 75 other species of 
N. Amer. land and fresh-water shells. Collectors 
please send lists and receive mine. JEROME 
TROMBLY, Petersburgh, Mich. 
Offered.—Nassa vibex; Oliva literata, reticularis; 
Columbella mercatoria; 
erosa, helova, lynx, moneta; Nerita tessellata, pele- 
ronta; Fissurella Barbadensis; Donax variabilis; 
Dosina discus; Cardium magnum. Wanted.—Shells 
and works on Conchology, JOHN 8. WHEELER, 
East Templeton, Mass. 
Cyclas dentata, Terebra dislocata, Sigaretus per- 
spectivus, Spheerium securis and striatinum, Zonites 
suppressa, Helix fallax and many others to exchange 
for Land and Fresh-water Shells. A. K. FAIR- 
CHILD, Whippany, N. J. 
Offered.—15 species Unios, including Aberti, pur- 
puratus, Schooleratftii, and subrostratus, 5 specirs 
Anodonta. Fossil Oyster shells. Satisfaction guar- 
euieed. Send list. FRANK J. FORD, Wichita, 
Lan. : 
Wanted.—American correspondents interested in 
the study of the genus Pupa (including Pupilla, 
Vertigo, etc.) of the U.S. Duplicates and other 
shells for exchange. V.STERKI, M. D., New Phila- 
delphia, O. 
Minerals and curiosities to exchange; also a relia- 
ble receipt for polishing stones and agates, for every 
small mineral or curiosity sent me. FRANKS 
FOOTE, 385 Lyon St., Grand Rapids, Mich. : 
Offered. —Tellina radiata, Paludina integra, Strom- 
bus gigas, Modiola plicatula, Mytilus edulis, Crep- 
idula unguiformis, Laevicardium serratum, Colum- 
bella mercatoria, Limniea elodes, for land and fresh 
water shells. WM. WEEKS, Jr., 508 Willoughby 
Aye., Brooklyn, N. Y. 
Offered.— Minnesota and marine shells for other 
shells and minerals. Send lists). JOHN M. HOLZ- 
INGER, State Normal School, Winona, Minn. 
Cypriea -caput-serpentis, | 
Specimens of minerals for Dana’s book on miner- 
alogy. BRET. H. MEACHAM, West View, Gooch- 
land Co., Va. 
and a piece of copper ore, for minerals or foreign 
coins. FRANK VAN BUREN, 253 York Street, 
Jersey City, N. J. 
A large fresh lot of Uniones, nasutus, complanatus 
and luteolus: also, a few Melantho decisa, all in ex- 
| cellent condition, to exchange for other fresh-water 
shells of the south and. West. JOHN WALTON, 
77 Arcade, Rochester, N. Y. 
150—1st class side-blown Rirds’ Eggs to exch nge 
for Coins, Stamps, fine specimens of Indian Arrow 
Heads and Minerals.—WI1LLIS P. ARNOLD, Shan- 
nock, R. I. 
THE WEST AMERICAN 
SCIENTIST. 
This Journal, established in 1884, begins a new 
volume as a 24-page illustrated monthly magazine of 
POPULAR SCIENCE. 
A feature consists of articles on topography and 
natural history of Upper and Lower California, 
Price $1.00 
per year, !0 cents a copy. Send 25 cents for a 4 
Eminent Scientists are contributors. 
months’ trialsubscription. Agents wanted. 
C.R. ORCUTT, Epitor, 
San Diego, Cal. 
WANTED. 
Choice specimens of CY PRL AS, CONES, OLIV AS, 
VOLUTAS and HARPAS. 
Will pay for same, or will exchange other speci- 
mens of same genera. If minerals are preferred in 
exchange, [ have fine specimens of Graphite, Ama- 
zou stone, Lead, Iron, and Copper ores, Kryolite, ete. 
JOHN H.CAMPBELL, 740 Sansom St., Philadelphia, 
Pa,. Correspondence solicited from persons collecting 
CYPRJEAS., 
