Charles R. Bardeen 



299 



LIST 



A. A. Pr- 



Ca-l.— 



Chd- 



Co:- 



C. Pr- 



Cu.- 



C. V.- 



Der.- 



Disk- 



D.L.- 



D.M.- 



F. D. M.- 



Fi.- 



F.N.- 



F. Pl- 



F. V. E.- 



H. Pr.- 



Ids. M.- 



Idr. M- 



II. Bl.- 



Is.- 



Is. A.- 



L- 



Ls. Pl.- 



L. T.- 



Myo- 



OF ABBREVIATIONS USED IN LETTERING THE FIGURES. 

 -Anterior articular process. M. D. R. — Membrana reuniens dorsalis. 



Ccelom. 



-Cliorda dorsalis. 



-Coccygeal. 



-Costal process. 



-Cuboid. 



-Cardinal vein. 



-Dermis. 



-Intervertebral disk. 



-Dorsal ligament. 



-Dorsal musculature. 



-Fascia of dorsal musculature. 



-Fibula. 



-Femoral nerve. 



-Foot-plate. 



-Fissure of v. Ebner. 



-Haemal process. 



-Interdiscal membrane. 



-Interdorsal membrane. 



-Iliac blastema. 



-Ischium. 



-Intersegmental artery. 



-Lumbar. 



-Lumbo-sacral plexis. 



-Ligamentum teres. 



-Myotome. 



N. Pr. — Neural process. 

 0. F. — Obturator foramen. 

 0. N. — Obturator nerve. 

 P(Z.— Pedicle. 

 Pch. 8. — Perichordal sheath. 

 P. L. — Poupart's ligament. 

 P. A. Pr. — Posterior articular process. 

 P. — Pubis. 

 Rib. — Rib. 



S. — Sacral vertebra. 

 S. Bl. — Scleroblastema. 

 S.N. — Sciatic nerve 

 Sptm. — Perichordal septum. 

 8p. C. — Spinal chord. 

 Sp.G. — Spinal ganglion. 

 Sp.N. — Spinal nerve. 

 Sp. Pr. — Spinous process. 

 T. R. — Tendon of r. abd. muscle. 

 T. — Thoracic. 

 Ti.— Tibia. 

 Trap. — Trapezius muscle. 

 Tr. Pr. — Transverse process, 

 y. L. — Ventral ligament, 

 y. B. — Vertebral body. 



Figs. 1-12 

 wax-plate method, 

 glycerine method. 



DESCRIPTION OF PLATES. 

 Plates I-V. 

 A series of figures drawn from models made by the Born 



Fig. 13 from an embryo cleared by the Schultze alkaline, 



Plate I. 



Fig. 1. Skeleton of Embryo II, length 7 mm. About 20 diam. 

 the reconstruction was made free-hand from drawings. 



In part 



Plate II. 



Fig. 2. Right half of the distal portion of the skeleton of Embryo CLXIII, 

 length 9 mm. 25 diam. 



Figs. 3 and 4. Right half of the distal portion of Embryo CIX, length 11 

 mm. 25 diam. (4) lateral, (5) median, view. The prochondrium of the 

 pubis, ilium. Ischium, femur, tibia and fibula are represented by stippling. 



Plate III. 



Figs 5 and 6. Distal portion of the right half-skeleton of Embryo 

 CXLIV, length Hi mm. 25 diam. The prochondrium of the neural arches, the 



