317 Ecbinoderraa 



80692 Mortensen, Th. 39.5 Echinometra : 13.41 



1912. Ueber die Larve von Echinometra lucunter (L.) (?). Zool. Jahrb. 

 Suppl. 15 Bd. 2 p. 275—288, 2 Taf., 4 figg. 



93 Agassiz, Alexander, and 



Hubert Lyman Clark. 39.5 Echinotburidae (26) 



1909. Hawaiian and other Pacific Echini. The Echinothuridae. Mem. 

 Mus. comp. Zool. Harvard Coll. Vol. 34 No. 3 p. 135—203, 30 pis. [2 

 nn. spp. m: Araeosoma.] (26.4,. 5,. 7) 



94 Debaisieux, G. 39.5 Echinus : 11.58 



19i2. The Experimental Hybridisation of Echinus miliaria, Echinus escu- 

 lentus, and Echinus acutus. Quart. Journ. micr. Sc. Vol. 58 p. 325 — 335, 

 1 pi. 



95 Fuchs, H. 31. 39.5 Echiuus : 11.58 



1913. On the Hybridisation of Echinoids. Rep. 82d Meet. Hrit. Ass. Adv. 

 Sc. p. 494—495. 



95 Newth, H. G. 39.5 Echinus : 11.58 



1913. The Characters of Hybrid Larvae obtained by Crossing Different 

 Species of che Genus Echinus. Nature London Vol. 92 p. 98, 1 fig. 



97 Lloyd, Dorothy. 39.5 Echinus: 11.02 



1913. On Methods of raising Parthenogenetic Larvae of Echinus esculen- 

 tus. Rep. 82d Meet. Brit. Ass. Adv. Sc. p. 495—496. 



93 Hawkins, Herbert L. 39.5 Echinus : 12.7 



1913. Note on an interesting Abnormality in Echinus esculentus. Ann. 

 Mag. nat. Hist. (8) Vol. 12 p. 73—76, 2 figg. 



99 Doncaster, L„ and J. Gray. 39.5 Echinus : 13.15 



1913. Cytological Observations on the Early Stages of Segmentation of 

 Echinus Hybrids. Quart. Journ. micr. Sc. Vol. 58 p. 483—510, 2 pis. 

 80700 Mac Bride, E. VV. 39.5 Echinus : 13 41 



1911. Two Abnormal Plutei of Echinus, and the Light which they throw 

 on the Factors in the normal Development of Echinus. Quart. Journ. 

 micr. Sc. VoL 57 p. 235—250, 1 pl„ 2 figg. 



01 Gray, J. 39,5 Echinus : 13.9 



1913. The Effects of Hypertonic Solutions upon the Fertilized Eggs of 

 Echinus (E. esculentus and E. acutus). Quart. Journ. micr. Sc. Vol. 58 

 p. 447 — 481, 4 pis., 4 figg. — The Effects of Hypertonic Solutions upon 

 the Eggs of Echinus. Proc. Cambridge philos. Soc. Vol. 17 p. 1 — 6, 

 [Female chromatine rendered pathological in a way characteristic of hy- 

 brids. In both cases probably a disturbance of the permeability of the 

 cell membrane.] 



02 Shearer, Cresswell, aud Dorothy Jordan Lloyd. 39.5 Echinus : 13.9 



1913. On Methods of Producing Artificial Parthenogenesis in Echinus 

 esculentus and the Rearing of the Parthenogenetic Plutei through Meta- 

 morphosis. Quart. Journ. micr. Sc. Vol. 58 p. 523— 551, 3 pis. 



03 Thomson, J. Stuart. 39.5 Echinus (26) 



1913. Observations on the Coloration of Echinus anqulosus A. Agass. 

 Ann. Mag. nat. Hist. (8) Vol. 12 p. 190—199. (26.3,.4,.7,.75) 



04 Brydone, R. M. 39.5 Micraster 



1913. Micraster praecursor, Rowe. Geol. Mag. N. S. (5) Vol. 10 p. 430 

 —431. 



05 Hawkins, Herbert L. 39.5 Perischodomus (115) 



1913. The Lantern of Perischodomus. Geol. Mag. N. S. (5) Vol. 10 p. 

 300—302, 5 figg. 

 08 Gandoifl Hornyold, A. 39.5 Spatangus : 15 



1913. Ueber das Eingraben, Leben im Sand, etc. der Spatangiden. Coin- 

 inun. 9me Congres intern. Zool. Monaco Ser. 1 p. 20—21. 

 80707 Bierens de Haan, J. A. 39.5 Sphaerechiuus : 13 



1913. Ueber bivaiente Eier von Sphaerechinus granularis und die Gros- 

 senverhaltnisse bei den aus diesen sich entwickelnden Larven. Zool. 

 Anz. Bd. 42 p. 500—512, 7 figg. [Verschmelzung von ungefurchteten 

 Eiern und von Blaetulae.] 



