INDEX. 



341 



Lobes of lung, 264 



Lophius, lure of, 139 



Lophobranchii, ribs, 48 



Lungs, 252265 



Lymph, 268, 293 



Lymph-hearts, 293 

 sinuses, 293 



Lymphatic glands, 294 

 system, 292 

 trunks, 205, 293 



Lymphoid substance in relation with 

 urinogenital organs : of Teleostei and 

 Ganoidei, 304 ; of Amphibia, 317 ; of 

 Reptilia, 320 



Lytta, 225 



M. 



Macula lutea, 190 



acustica, 197 



neglecta, 197 



Malapterurus, electric organs, 124 

 Manatus, cervical vertebrae, 46 

 Mandible, 6484 

 Mandibular arch, 60 

 Manis : scales, 27 ; number of caudal 



vertebrae, 47 

 Manubrium sterni, 53 

 Manus, 102 



Marsupial bones, 93, 98, 117 

 Marsupium, 324 

 Meatus, external auditory, 198 

 Meckel's cartilage, 61, 202 

 Mediastinum, 265 

 Medullary plate, 7 



cord, 7, 129 



groove, 129 

 Membrana basilaris, 199, 202, 204 



Reissneri, 202, 204 



reticularis, 206 



tectorias. Corti, 206 



tympani, 73, 198, 199 



tympaniformis, 255 

 Membranous labyrinth, 195 

 Menisci of vertebrae, 43 

 Meroblastic ova, 5, 6 

 Mesentery, 208 

 Mesoarium, 311 

 Mesoblast, 6 

 Mesoblastic somites, 9 

 Mesobronchium, 262 

 Mesoderm, 6 



Mesonephros, 296299, 302304, 322 

 Mesopterygium, 99 

 Mesorchium, 311 

 Metacarpus, 104 



Metamerism of head and body, 54 

 Metanephric duct, 301, 307, 309 

 Metanephros, 299, 307310 

 Metapterygium, 99 

 Metasternum, 53 

 Metatarsus, 104 



Microgale, number of caudal vertebrae, 47 

 Micropyle, 4 



Milk dentition, 213 



Molars, 214, 216 



Monitor, tongue, 224 



Monophyodonts, 213 



Morphology, 2 



Morula, 5 



Moulting, 22 



Mouth, 212 



Mlillerian duct, 300304, 316, 320 



Mus, stomach, 235 



Muscles, 112122 : of appendages, 121 ; 

 arrectores pili, 24 ; of branchial arches, 

 118 ; buccinatorius, 121 ; bursalis, 191 ; 

 ciliary, 184 ; constrictor of iris, 184 ; 

 constrictor of glottis, 253, 255 ; coraco- 

 hyoid, 118; coraco-mandibular, 118; 

 costo-pulmonary, 262 ; Crampton's, 

 187 ; cranio-visceral, 118 ; cremaster, 

 326 ; depressor of eyelid, 192 ; de- 

 pressor tarsi, 121 ; dermal, 112, 113 ; 

 diaphragmatic, 122 ; digastric, 119, 

 158 ; dilator of glottis, 253, 255 ; dila- 

 tor of iris, 184 ; of eye (recti, obliqui, 

 and retractor bulbi), 191 ; facial, 120; 

 genio-hyoid, 119, 120; genioglossus, 

 119, 120 ; hyoglossus, 119, 120 ; ileo- 

 costalis, 116 ; intercostal, 116, 118 ; 

 interspinales, 116 ; lateral, 113 ; levator 

 anguli oris, 121 ; levatores costarum, 

 116 ; levator of eyelid, 192 ; levator 

 labii superioris propriup, 121 ; longissi- 

 mus, 116 ; masseter, 119 ; masticatory, 

 112 ; multifidi, 116 ; mylohyoid, 119, 

 120 ; obliquus abdominis, 116, 117 ; 

 omohyoid, 119, 120 ; pectoralis major, 

 117; platysma myoides, 113, 121 ; pro- 

 nators, 122 ; pterygoid, 120 ; pyramid- 

 alis abdominis, 99, 117 ; pyramidalis of 

 eye, 191 ; quadratus of eye, 191 ; quad- 

 ratus lumborum, 116; rectus abdominis, 

 116, 117; scaleni, 116; semispinales, 



116 ; sphincter oris, 121 ; sphincter 

 collis, 121 ; splenii, 116 ; stapedius, 

 202 ; sternocleidomastoid, 159 ; sterno- 

 hyoid, 117, 119, 120; sternothyroid, 117, 

 120 ; stylohyoid, 120, 158 ; styloglossus, 

 120 ; stylopharyngeus, 120 ; supinators, 

 122; temporal, 119, 120; thyro-hyoid, 

 120 ; transversalis abdominis, 116, 117, 

 122 ; trapezius, 159 ; triangularis sterni, 



117 ; of trunk, 113 ; of visceral skele- 

 ton and head, 118 



Musk-deer, teeth, 220 



Mustelus : umbilical placenta, 12 ; foetal 



membranes, 312 

 Mycetes : larynx, 256 

 Myocommata or myotomes, 48, 113 



N. 



Kares, external and internal, 67, 170, 



173 

 Xarwhal, teeth, 220 



