28 
THE CONCHOLOGISTS’ EXCHANGE. 
NECROLOGY. 
Tsaac Lea, LL. D. author of ‘* Observations 
of the Genus Unio,”’ “Contributions to Geol- 
ogy’’ and numerous other scientific publica- 
tions, died at his residence, 1622 Locust Street, 
Philadelphia, at ro A. M., December 8, 1886, 
after a short illness complicated by weaknesses 
natural to old age. Mr. Lea was born March 
4th, 1792, in Wilmington, Del. He was the 
President of “The Academy of Natural Sciences 
of Philadelphia” from 1853 to 1858, and also 
Vice-President of ‘*‘ The American Philosophi- 
cal Society’”’ for several years. His body rests 
in Laurel Hill Cemetery, Philadelphia. 
Prof. H. H. Straight, biologist and formerly 
principal of the State Normal School at Normal, 
Ills., died at Pasadena, Cal., November 19, 
1886. 
Kendrick Stillman Smith, Oologist, nat at 
Bellville, Ills., January 24, 1860, died in San 
Diego, Cal., November 6, 1886 
Professor J. N. Madvig, the great Danish 
scholar is reported dead at the age of 82. 
PUBLICATIONS RECEIVED. 
Catalogues of Fossils, Shells and Minerals 
in Dr..L. G. Gates’ collection, Santa Barbara, 
Cal. 
Bulletins of the Anenichn Museum of Natural 
History, Central Park, N. Y.; Vol. 1, Nos 1 
to 7, from A. Woodward, Librarian. 
Elephant Pipes and Inscribed Tablets in the 
Museum of the Academy of Natural Sciences, 
Davenport, Ia., by Chas. E. Putnam, Prest., 
from ESEAY: Pilsbry. 
EXCHANGES’ ay MOLLUSCA. 
Exchanges which are ‘merely indirect offers 
of articles for money will not be accepted. 
We will not hold ourselves responsible for 
any mistake or disappointments occurring 
because of bad faith on the part of any of our 
exchangers. 
| Wood, Lepidopleurus Cooperi, 
Con ; 
Terms which must be cash with order, are 
as follows: Exchanges of 20 words including 
address, 10 cents; for each additional 10 
words the charge will be 5 cents. No ex- 
change will be inserted for less than 10 cents. 
OFFERED—Goniobasis comalensis, pleurostriatus ; 
Helix auriformis, texasiana, febigeri, mooreana, ber- 
landieriana, espiloca; Helicina tropica, occulta; Buli- 
mulus schiedianus, mooreanus; Gundlachia, Pyrgulop- 
sis, Tryonia, etc., for fresh-water shells. 
H. A. PILSBRY, Davenport, Iowa. 
OFFERED :—Trivia Californica, Gray : Crepidula 
navacelloides, Nutt., adunca, Sby. Mopalia muscora, 
Gld., Stenoradsia magdalensis, Rve., Vonicella lineata, 
Cpr. Trachydermon 
pseudodentiens, Cpr. Haliotis Cracherodi, Leach, 
rufescens, Swains; Mytilus Californianus, Con.; Pach- 
ydesma crassatelloides, Con.; ‘Tapes staminea, Con.; 
Schizotheurus Nuttallii, Con.: Saxodomus Nuttallii, 
Zirpheea crispata, L. Helix Vraskii, Nwe ; 
Physa poltissin, Tryon ; for wants in Mollusca. 
GEO. W. MICHAEL, JR. Morro Bay, Cal. 
FOR EXCHANGE :—Rare land shells from Cey- 
lon; also new species of Bulimus from Mt. Roraima, 
Offers solicited. Miss LINTER, 
Arragon Close, Twickenham, England 
OFFERED :—Land and Fresh-water shells of New 
York for those of other states and countries 
ALBERT BAILEY, Chepachet, N. Y. 
WANTED a sComespondeae for the purpose of 
exchanging Land and Marine shells of any province. 
Over 150 West Coast species offered for anything new 
to me. HARRY E. DORE, 
122 Front St., Portland, On. 
NUMEROUS duplicates of European Land, Fresh- 
| waterand Marine shells to exchange tor American Land 
C. F. ANCEY, 
BEMIS Trance. 
and Fresh-water shells. 
iizeellaneous Exchanges for Mollusca. 
OFFERED :—Florida. Moss, Woods, Palmetto, 
alligator teeth, wild boar tusks, etc., for foreign shells, 
curios, etc. Car SULZNER, Palatka, Fla. 
OFFERED: 500 Indian arrow heads for sea shells. 
Only fine ones desired. CASPER LOUCKS, 
Vork= Pas 
WANTED :—Shells, F pate &c., in exchange for 
botanical specimens, minerals, fossils, books, &c. Lists 
free. JAMES GALEN, Rawlinsville, Penna. 
WANTED :—Emu and Cassowary eggs in exchange 
for named shells. EDW. FERGUSON, 
138 Wilson St., Brocklyn, N Y. 
