39 Crustacea. 



19091 Carlson, A. J. 53.92 Liniulus : 11.12 



1907. On the Action of Cyanides on the Heart. Araer. Journ. Physiol. 

 Vol. 19 p. 223 — 2ii2, 4 figg. [Experiments on Limulus heart.] 



92 Carlson, A. J. 53.92 Limulus : 11.12 



1908. A Note on the Refractory State of the Non- Automatic Heart 

 Muscle of Limulus. Auier. Journ. Physiol. Yol, 21 p. 19—22, 3 figg. 

 [Myocardium in sodium chloride rhythm exhibits typical systolic refrac- 

 tory state in sense of diminished excitability. Comparison of refractory 

 states in heart and skeletal muscle of Limulus in isotonic sodium chloride.] 



93 Carlson, A. J. 53.92 Limulus : 11.12 



1908. The Conductivity Produced in the Non- Conducting Myocardium 

 of Limulus by Sodium Chloride in Isotonic Solution. Amer. Journ. Phy- 

 siol. Vol. 21 p. 11—18, 2 figg. [When separated from ganglion the car- 

 diac nerve plexus takes no part in sodium chloride rhythm.] 



94 Carlson, A. J., and W. J. Meek. 63.92 Limulus : 11.12 



1908. On the Mechanism of the Embryonic Heart Rhythm in Limulus. 

 Amer. Journ. Physiol. Vol. 21 p. 1 — 10, 5 figg. [At stage of heart rhythm 

 beginning in embryo there is no evidence of nerve cord and cross-stri- 

 ations.] 



95 Bohm, Johannes. 53.92 Limulus (1182) 



1908. Uber Limulus Decheni Zincken. Jahrb. prenss. geol. Landesanst. 

 Bergakad. Bd. 26 p. 240-245. 1 Taf. 



96 Baldwin, W. 53.92 Prestwichla (115) 



1901. On Prestirichia rotundata found at Sparth Bottoms, Rochdale, 

 Lancashire. Trans. Manchester geol. Soc. Vol. 27 p. 149 — 154, 1 pi. 

 19097 Raw, F. 53.93 (1121) 



1908. 'Ihe Trilobite Fauna of the Shineton Shales. Rep. 77th Meet. 

 Brit. Ass. Adv. Sc. p. 511 — 513. [4 nn. spp. in : Triarthrus, Symphysurus, 

 Desmus n. g., Pteroeephalus n. g.] 



98 Walcott, Cliarles D. 63.93 (1121) 



1908. Cambrian Geology and Paleontology. No. 2. — Cambrian Trilobites. 

 Smithson. mit^cell. Coll. Vol. 53 p. 13—52, 6 pie. [9 nn. spp. in: Bur- 

 lingia n. g., Albertella n. g. 2, Oryctocara n. g., Zacanthoides, Neolenus 3 (1 n. 

 var.), Bathyuriscus. Burlingidae n. fam.] C^l.l, 78,6, 79.2,.6) 



99 Schmidt, E. 63.93 (113) 



1907. Nachtrag zur Vl-ten Abtheilung der Revision der ostbaltischen 

 silurischen Trilobiten. Bull. Acad. Sc. St.-Petersbourg (6) T. 1 p. 803 

 -804, 2 figg. 



19100 Chapman, Frederick. 53.93 (113) 



1908. Preliminary Notes on a Collection of Trilobite Remains from the 

 Dolodrook River, N. Gippsland. Proc. R. Soc. Victoria N. S. Vol. 21 p. 

 268—269, 1 pi. 



01 Raymond, Percy £., and J. E. Narraway. 53.93 (113) 



1908. Notes on Ordovician Trilobites ; Illaenidae from the Black River 

 Limestone near Ottawa, Canada. Ann. Carnegie Mus. Vol. 4 (Puhl. Car- 

 negie .'Hus. No. 50) p. 242—265, 3 pis. [3 nn. spp. in: Illaenus, Bu- 

 masfus 2.] 



02 Zimmermann, E. 53.93 (114) 



1908. Das Palaeozoicum bei Gorlitz und die Auffindung devonischer 

 Trilobiten daselbst. Monatsber. deutsch. geol. Ges. 1908 p. 168-171. 



03 Mordziol, C. 53.98 Agnostus 



1908. Ueber Agnostus pisiformis L. Centralbl. Min. Geol. Pal. 1908 p. 

 535-540, 1 fig. 

 19104 Woodward, Henry. 53.93 Grlffithides (115) 



1I>06. On a Carboniferous Trilobite from Angram, in Nidderdale. Proc. 

 Yorkshire geol. k polyt. Soc. Vol. 16 p. 84—86, 1 fig. [Griffithides 

 barkei.] 



1.^. T. 1000. 



