INDEX. 



341 



Lobes of lung, 264 



Lophius, lure of, 139 



Lophobrancliii, 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 ami 

 Ganoidei, 304 ; of Amphibia, 217 ; 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 



vertebras, 47 

 Manubrium sterni, 53 

 Mantis, 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 vertebra, 43 

 Meroblastic ova, 5, 6 

 Mesentery, 208 

 Mesoarium, 311 

 Mesoblast, 6 

 Mesoblastic somites, 9 

 Mesobronchium, 262 

 Mesodcrm, 6 



Mesonephros, 296299, 302304, 322 

 Mesopterygiurn, 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 vertebra, 47 

 Micropyle, 4 



Milk dentition, 213 



Molars, 214, 216 



Monitor, tongue, 224 



Monophyodonts, 213 



Morphology, 2 



Morula, 5 



Moulting, 22 



Mouth, 212 



Miillerian duct, 300304, 316, 320 



Mus, stomach, 235 



Muscles, 112 122 : 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 propriue, 121 ; longissi- 

 mus, 116 ; masseter, 119 ; masticatory, 

 112 ; multifidi, 116 ; mylohyoid, 110, 

 120 ; obliquus abdominis, 116, 117 ; 

 otnohyoid, 119, 120 ; pectoralis major, 

 117; platysmamyoid.es, 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 



Nares, external and internal, 67, 170, 



173 

 Narwhal, teeth, 220 



