On the Development and Distribution of the Young Stages of Krill (Euphausia superba)
by Fraser, F.C.
$ 15.00
On the Head of the Macropetalichthyids, with certain remarks on the head of the other arthrodires
by Stensiö, Erik Andersson
$ 22.00
On the Mollusca Procured During the ‘Lightning' and ‘Porcupine' Expeditions, 1868-70, Parts III, VII and VIII
by Jeffreys, J. Gwyn
$ 35.00
On the Origin of Species by means of natural selection (from Sixth English edition)
by Darwin, Charles
$ 350.00
On the Parallelism between the distribution of Lizards and of Anurans in the Japanese Empire
by Okada, Y.
$ 15.00
On the size and stock of Antarctic Fin Whales relative to the size of the catch
by Ottestad, Per
$ 15.00
On the Systematic Position of the Swifts (Suborder Cypseli) and Hummingbirds (Suborder Trochili), with special reference to their Relation to the Order Passeriformes
by Lowe, Percy R.
$ 22.00
Ontogenetic and other Variations in Muskoxen, with a Systematic Review of the Muskox Group, Recent and Extinct
by Allen, J. A.
$ 50.00
Ontogeny of Social Behaviour in Burmese Red Junglefowl (Gallus gallus spadiceus).
by Kruijt, J.P.
$ 30.00