INDEX OF PART I. 



IX 



Recessus pulmonales (recesses of the lungs), 



Reichert on villi in earliest ovum, 55 



mantle of, 70 



on incus and stapes, 168 

 Reid, John, on fnetal circulation, 156 

 Rein on the polar globules in the rabbit, 9 

 Rcmak on bilamination of middle blastodermic 

 layer, 23 



membrana rcuniens superior of, 32, 162 

 Renal organs, embryonic ducts of, opening into 



allantoic pedicle, 46 

 Renson on extrusion of part of nucleus of seminal 



cell, 12 



Restiform bodies, 65 

 Retina (rcte, a net), origin from fore-brain, 38 



development of, 83, 86 



membrane limitantes of, 83, 86 



rods and cones of, 84, 86 



hexagonal pigmented epithelium of, 84, 

 86 



central blood-vessels of, 85, 87 



ganglionic layer, 86 



sense epithelium of, 86 

 Retzius on the zona radiata, 7 

 Rhomboidal sinus, 60 

 Ribs, development of, 163 

 Rodents, inversion of blastodermic layers in, 



23 



Paterson on sympathetic in, 81 

 nasal septum in, 95 

 Rosenburg on Wolffian duct, 118 

 Round ligament, 126 

 RUckert on ccelom invagination in elasmo- 



branchs, 22, n. 

 heart in Pristiurus, 136 



SABATIKK, on origin of subclavian artery, 



150 



Kustacliian valve, action of, 156 

 Saccule, 78, 90 

 Saccus reuniens, 139, 151 

 Sagitta, origin of mesoblast in, 22 



Kowalevsky on, 24, 26 



ineseri chyme in, 27 

 Salensky on the stapes, 168 

 Sauropsida (<ravpa, a lizard ; ityis, look), hyo- 



mandibular arch in, 168 

 Scala- (wnl a, a stair) of cochlea, 93 

 Scarpa, gangliform swelling of, 78 

 Schenk, on sympathetic nerves, 81 

 Schmidt, on Thebesian valve, 141 

 Schneiderian membrano, 81 

 Schultze, M., on rods and cones, 86 

 Sclerotic ((TK\r)p6s, hard), 88 

 Scrotum, 127, 128 

 Sedgwick, on \Volffian bod} r , H5,n. 



Miillerian duct, 123 

 Segmental tubes, 118 

 Segmentation of ovurn, complete, incomplete, 8 



main factors of, 9 



before fertilization, 14 



after fertilization, 16 



Selenka, on inversion of blastodermic layers in 

 rat and mouse, 23 



epiblastic connection of blastodermic vesicle 



with uterus, 53 

 Semicircular canals, 78, 91 

 Seminal cell, 12 



Septum lucidum (transparent partition), ventricle 



of, 70 



spurium, 141 

 inferius, 141 

 membranaceum, 142 

 intermedium, 142, 144 

 transverse, the, 159 

 Serous cavities, 159 

 Sexual cells, origin of, 14 



conjugation of, Minot's theory of, 14 

 Sinus arcuatus (arched hollow), 102 

 venosus, 112, 138, 151 

 urogeriitalis, 123, 128 

 Skull, formation of, 166 



chondrification of, 166 

 Somatopleure (aufAa, body ; irAfvpa, the side) 



formation of, 36, 99 

 origin of amnion from, 42 

 Somites (ffcD/ua, body), mesob astic. 4 

 Spee, on connection of mesoblastic cleavage with 



notochordal canal, 34 

 epiblastic origin of Wolffian duct, 118 

 Spencer, Baldwin, on pineal eye, 68 

 Sperm cell, 12 

 Spermatozoon (aW^a, seed ; &ov, animal), 



accession of, to ovum, 6, 9 

 fertilization by, 1 1 

 fate of tail of, 1 1 

 maturation of, 12 

 Spinal accessory, origin from basal lamina, 



60 



Spinal cord, development of, 57 

 outermost layer of, 58 

 anterior cornu of, first rudiment of, 59 

 columns of, 59 

 fissures of, 59 

 anterior commissure of, 60 

 dorso-lateral and vent re-lateral laminae of, 



60 



filum terminate of, 60 

 cauda equina of, 60 

 growth of, pari passu with vertebral canal, 



60 



membranes of, 60 

 Splanchnopleure (ffn\a.yx vov , the inwards ; 



irAeupa, the side), 35 

 formation of, 36, 99 

 Spleen, 108 

 Spongioblasts (0-71-0770$, sponge ; jSAao-ro'y, germ), 



5? 



origin of neuroglia from, 61 

 Stapes (a stirrup), 168 

 Sternum, 163 

 Stomach, 104 

 Stomodseum (a-rApa, mouth), 68, 99 



connection with nose, 95 

 Strahl, on Wolffian duct, 118 

 Stratum compactum, 49 



spongiosum, 49, 55 

 Subchorionic membrane of Turner, 51 

 Sulci of brain, primitive, 72 

 principal, 73 

 Sulcus, anterior limiting and lateral limiting, 



34, 35. 



tenninalis, 102 

 Supra-hyoid glands, no 



-pericardial bodies, in 

 Suprarenal capsules, 120 

 Suspensory ligament, 113 

 Symmetry of form, 4 

 bilateral, 4 



