An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian / by Nathaniel Lord Britton and Hon. Addison Brown.

2

An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian / by Nathaniel Lord Britton and Hon. Addison Brown.

1

Pteropoda / bearbeitet von dr. Johan Jacob Tesch. Mit 108 abbildungen.

36

Solenogastres / bearbeitet von prof. J. Thiele. Mit 28 abbildungen.

38

... Rhabdocoelida, bearbeitet von L. von Graff ... Mit 394 abbildungen.

35

Libytheidae, bearbeitet von Dr. A. Pagenstecher. Mit 4 abbildungen.

14

Bibliographie anatomique.

t. 23 (1913)

Turbellaria ... bearb. von Ludwig von Graff ...

23

The British parasitic Copepoda / by Thomas Scott and Andrew Scott.

1

Salpae II: Cyclomyaria et pyrosomida.

40

Danmarks fauna; illustrerede haandbøger over den danske dyreverden...

Bd.13 (Sommerfugle: 3.Natsommerfugle)

Deuxième expédition antarctique francaise (1908-1910) / commandée par le dr. Jean Charcot.

Mousses

Deuxième expédition antarctique francaise (1908-1910) / commandée par le dr. Jean Charcot.

Pycnogonides, Ostracodes Phyllopodes Anostraces In