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THE AMERICAN NATURALIST. (VoL: XXXIII. 
. Nachträgliche Notiz zu meinen Bemerkungen: “Ueber die Homo- 
logien einiger Schddelknochen der Stegocephalen und Reptilien” 
in No. 13 des ersten Jahrgangs dieser Zeitschrift. Anat. Anz., 
Jahrg. 2, No. 21, 1887, pp. 657-658. 
On the Phylogenetic Arrangement of the Sauropsida. Journ. Morph., 
Vol. 1, No. 1, 1887, pp. 93-104 
Ueber die Abitasnin ¢ der A priod Wirbelthiere. Biol. Centralbl., 
Bd. 7, No. 16, 1887, pp. 481-493 
On the Morphology and Origin of the Ichthyopterygia. Am. Watu- 
ralist, Vol. 21, Sept. 1887, pp. 837-840. 
. On the Morphology of Ribs. Am. Naturalist, Vol. 21, Oct. 1887, 
PP. 942-945 
. Beiträge zur Morphogenie des Carpus und Tarsus der Vertebraten. 
I Theil. Batrachia. Jena, Gustav Fischer, 1888, pp. 1-86, Taf. 
I-III. 
. Ueber den Ursprung der Extremitäten der Ichthyopterygia. Bericht 
uber die 20. Versam. d. Oberrhein. Geolog. Vereins, Jan. 16, 1888, 
pp., 1 Taf. 
- Dermochelys, Dermatochelys oder Sphargis. Zoolog. Anz., No. 270, 
1888, pp. 44-45. 
- Unusual Dermal Ossifications. Science, Vol. 11, March 23, 1888, p. 144. 
Notes on the American Trionychide. Am. Naturalist, Vol. 22, Dec. 
1888, pp. 1121-1122. 
The Theory of the Origin of Species by Natural Selection. Ay. 
Naturalist, Vol. 22, Dec. 1888, p. 1144 
. Osteologische Notizen über Reptilien. Fortsetzung III. Zoolog. Anz., 
No. 285, 1888, pp. 417-424. 
. Osteologische Notizen über Reptilien. Fortsetzung IV. Zoolog. Anz., 
No. 291, 1888, pp. 592-597. 
- Osteologische Notizen über Reptilien. Fortsetzung V. Zoolog. Anz., 
No. 296, 1888, pp. 736-740. 
. Osteologische Notizen über Reptilien. RENS VI. Zoolog. Anz., 
No. 298, 1889, pp. 40-47. 
. Revision meiner Mittheilungen im loologiechen Anzeiger, mit Nach- 
trägen. Zoolog. Anz., No. 306, 1889, pp. 238-243. 
. Neue Beiträge zur Morphologie des Carpus der Säugethiere. Anat. 
Anz., Jahrg. 4, 1889, No. 2, pp. 49-51, 4 Figs. 
. The Systematic Position of Meiolania, Owen. Ann. Mag. Nat. Hist., 
(6) Vol. 3, Jan. 1889, pp. 54-62. 
. On “ Aulacochelys,” Lydekker, and the Systematic Position of Ano- 
steira, and Pseudotrionyx, Dollo. Ann. Mag. Nat. Hist., (6) Vol. 3, 
1889, pp. 273-276. 
- On Meiolania and Some Points in the Osteology of the Testudinata: 
a Reply to Mr. G. A. Boulenger. Ann. a Nat. Hist., (6) Vol. 4, 
a 1889, PP- 37-45, Pl. VI. 
