NATURAL SCIENCES OF PHILADELPHIA. 
475 
1889 .] 
Geological Society. Quarterly Journal, No. 177-179. The Society. 
Geologists’ Association. Proceedings X, 8; XI, 1-4. The Society. 
Grevillea, a monthly record of Cryptogamic Botany and its literature, XVI, 
82 ; XVIII, 85. I. V. Will.amson Fund. 
Hardwicke’s Science Gossip, No. 288-299. I. V. Williamson Fund. 
Royal Horticultural Society Journal, X ; XI, 1, 2. 
Ibis, 6th Set. I, 1-4. I.V. 
Royal Institution of Great Britain. Proceedings, XII, 2; 
The Society. 
Williamson Fund. 
List 1888. 
The Society. 
Journal of Anatomy and Physiology, XXI, 2; XXIV, 1. 
I. V. Williamson Fund. 
Journal of Botany, British and Foreign, No. 312-323. 
I. V. Williamson Fund. 
Journal of Physiology IX, 5, 6 ; X, 1-6. I. V. Williamson Fund. 
Knowledge XII, 38-49. The Editor. 
Linnean Society. Journal, Botany 156, 157, 163-170, 173; Zoology, 119- 
121, 132, 140. Index to Journal (Botany), 1838-1886. List 
1888-89. Transactions, Zoology II, 18; IV, 3; V, 1-3; Botany II, 16. 
The Society. 
London, Edinburgh and Dublin Philosophical Magazine. No. 163-174. 
I. V. Williamson Fund. 
Royal Microscopical Society. Journal, 1888 Part 6a, 1889, 1-4. 
The Society. 
Mineralogical Society of Great Britain and Ireland. Mineralogical Magazine 
and Tournal VIII, 38-40. I. V. Williamson Fund. 
The Naturalist, No. 161-172. 
Nature, No. 994-1047. 
Paleontological Society. Publications, XLII. 
Physical Society. Proceedings, X, 1,2. 
Quarterly Journal of Microscopical Science, No. 
The Editor. 
The Editor. 
Wilson Fund. 
The Society. 
115-118. 
I. V. Williamson Fund. 
Queckett Microscopical Club. Journal, III, 23-25. The Society. 
Royal Society. Philosophical Transactions, Vol. 179a, 179b. Proceedings 
No. 272-283. 
List, 30th Nov., 1888. 
Society of Arts. Journal, Vol. 36. 
Society of Science, Letters and Arts. Transactions, 
Apr., 
The Society. 
The Society. 
1887-Sept., 1888. 
The Society. 
Trubner’s American and Oriental Literary Record, 240—245. The Publishers. 
Zoological Record for 1887. I. V. Williamson Fund- 
Zoological Society. Proceedings, 1889, 1-4. Transactions, XII, 8, 9. 
The Society. 
Zoologist, No. 144-155. I. V. Williamson Fund. 
London, Can. Canadian Entomologist, XX, 12; XXI, 11. The Editor. 
Louvain. Universite Catholique. Annuaire, 53. 17 Theses. The University. 
Liibeck. Naturhistorisches Museum. Jahresbericht, 1888. The Director. 
Lund. University, Acta, 1887-88. The University. 
Lyon. Societe d’Agriculture, Histoire Naturelle et Arts utiles. Annales, IX, X, 
Ser. VI, I, 1886-88. The Society. 
Societe Linneenne. Annals, 32-34. The Society. 
Academie des Sciences, Belles-Lettres et Arts, Memoires, Classe des Sciences, 
28, 29. The Academy. 
Madison. State Historical Society of Wisconsin. Proceedings, 36. 
The Society. 
Madrid. Real Academia de Ciencies exactas, fisicas y naturales. Anuario, 1889. 
Memorias, XXIII, 2, 3- The Academy. 
Observatorio. Resumen de las Ol^ervaciones 1884-1887. The Director. 
Sociedad Geografica. Boletin XII, 3; XVII, 3; XX, 1; XXII, 1, 2; 
XXIII, 1-6 ; XXV, 3, 4 ; XXVI, 3-6. The Society. 
