CONTRIBUTIONS FROM THE ZOOLOGICAL LABORATORY OF 

 THE MUSEUM OF COMPARATIVE ZOOLOGY AT HARVARD 

 COLLEGE. {Continued.) 



126. Rant>, H. W. — The Regenerating Nervous System of Lumbricidae and the Cen- 



trosome of its Nerve Cells. B. M. C. Z., »7 (3) : 83-164. 8 pis. Sept., 1901. 



127. Frandsen, p. — Studies on the Reactions of Limax maximus to Directive Stimuli. 



P. A. A., :8T(8) : 183-227. 22 figs. Oct., 1901. 



128. Yerkes, R. M. — A Contribution to the Nervous System of Gonionemus murbachii. 



Pt. I. Amer. Jour, of Physiol., 6(6) : 434-449. Feb., 1902. 



129. Oppenheimek, a. —Certain Sense Organs of the Proboscis of the Polychaetous 



Annelid Rhynchobolus dibranchiatus. P. A. A., »T('21) : 551-569. 6 pis. 

 Apr., 1902. 



130. Williams, S. R. — Changes Accompanying the Migration of the Eye and Obser- 



vation? on the Tractus opticus and Tectum opticum in Pseudopleuronectes 

 americanus. B. M. Z. C, 40(1) : 1-57. 5 pis., 7 figs. May, 1902. 



131. Yerkes, R. M. — A Contribution to tlie Nervous System of Gonionema murbachii. 



Pt. II. Amer. Jour, of Physiol., 7(2): 181-198. May, 1902. 



132. BiGELOAV, M. A. — The Early Development of Lepas. A Studj' of Cell-Lineage 



and Germ-Layers. B. M. C. Z., 40(2) : 59-144. 12 pis. July, 1902. 



133. Parker, G. II. — Notes on the Dispersal of Sagartia luciae Verrill. Amer. Nat., 



:{« (426) : 491-493. June, 1902. 



134. Howe, F., Jr. — A Case of Abnormality in Cats' Paws. Amer. Nat., :86(427) : 



511-526. 18 figs. July, 1902. 



135. Strong, R. M. — The Development of Color in the Definitive Feather. B. M. C. Z., 



4<>(3) : 145-185. 9 pis. Oct., 1902. 



136. Castle, W.E. — Mendel's Law of Heredity. P. A. A., :J8(18) : 533-548. Jan., 1903. 



137. Castle, W. E. — The Heredity of Sex. B. M. C. Z., 40(4) : 187-218. Jan., 1903. 



138. Parker, G. II. — The Optic Chiasma in Teleosts and its Bearing on the Asymmetry 



of the Heterosomata (Flat Fishes). B.M.C.Z., 40(5) ; 219-242. Ipl. Jan., 1903. 



139. Mark, E. L. — A Paraffine Bath heated by Electricity. Amer. Nat., 37(4.34): 



115-119. 3 figs. Febr., 1903. 



140. Adams, G. P. — On the Negative and Positive Phototropism of the Earthworm 



Allolobophora fcetida (Sav.) as determined by Light of Different Intensities. 

 Amer. Jour, of Physiol., »(1) : 26-34. 2 figs. Mar., 1903. 



141. Prentiss, C. W. — Polydactylism in Man and the Domestic Animals, with especial 



Rpference to Digital Variations in Swine. B.M.C.Z., 4<>(6) : 243-314. 22 pis. 

 and 26 figs. Apr., 1903. 



142. Castle, W. E., and Allen, G. M. — The Heredity of Albinism. P.A.A., .38(21) : 



601-622. Apr., 1903. 



143. Parker, G. H. — Tlie Skin and the Eyes as Receptive Organs in the Reactions of 



Frogs to Light. Amer. Jour, of Physiol., 1<>(1) : 28-36. Sept., 1903. 



144. Howard, A. D. — On the Structure of the Outer Segments of the Rods in the 



Retina of Vertebrates. Amer. Nat., 37(440) : 541-550. Sept., 1903. 



145. Breed, R. S. — The Changes which occur in the Muscles of a Beetle, Thymalus 



marginicollis Chevr., during Metamorphosis. B.M.C.Z., 40(7) : 315-382. 7 pis. 

 Oct., 1903. 



146. Castle, W. E. — The Laws of Heredity of Galton and Mendel, and Some Laws 



Govei-ning Race Improvement by Selection. P.A.A.,39(8) : 221-242. Nov. 1903. 



147. Carlton, F. C. — The Color Changes in the Skin of the so-called Florida Chameleon, 



Anolis carolinensis Cuv. P.A.A., 39(10) : 257-276. Ipl. Dec, 1903. 



148. Lander, C. II. — The Anatomy of Hemiurus crenatus (Rud.) Llihe, an Appen- 



diculate Trematodc. B.M.C.Z., 4o(l) : 1-28. 4 pis. Jan., 1904. 



149. Peters, A. W. — Metabolism and Division in Protozoa. P.A.A., 39(20) : 439-516. 



Apr., 1904. 



150. Hall, R. W. — The Development of the Mesonephros and the MUllerian Duct in 



the Amphibia. B.M.C.Z., 45(2) : 29-125. 8 pis. June, 1904. 



