S38 GLOSSARY. 



Lr-EN-cBPH'A-LA (Gr. luo, I loose ; egiqiJialot, brain). A primary division 

 of Mammals, according to Owen. 



Mao-eo-dao'ty-li (Gr. mairos, long ; daktuloa, a finger). A grouj of the 



Wading Birds. 

 Ma-oktt'ba (Gr. mairos, long; OKrcs, tail). A tribe of Decapod Crustaceant 



withlong tails {e.g., the Lobster, Shrimp, etc.). 

 Mad-be-poe'i-foem. Perforated with small holes, like a coral ; applied to the 



tubercle by which the ambulacral system of the McAinoderma mostly com- 

 municates with the exterior. 

 Max-a-oo-deem'a-ta. 

 Mal-a-oos'tba-oa (Gr. malahos, soft; ostrahm, shell). A division of Crua- 



tacea. Originally applied by Aristotle to the entire class Crustacea, because 



their shells were softer than those of the MoUusca, 

 Mal-loph'a-ga (Gr. mallos, a fleece ; phago, I eat). An order of Insects 



which are mostly parasitic upon birds. 

 Mam-ma'lia (Lat. mamma, the breast). The class of Vertebrate animals 



which suckle their young. 

 Man'di-ble (Lat. mandibulum,, a jaw). The upper pair of jaws in Insects-, 



also applied to one of the pairs of jaws in Crustacea and Spiders, to the beak 



of Cephalopods, the lower jaw of Vertebrates, etc. 

 Mast'tlb. The external integument of most of the MoUusca, which is largely 



developed, and forms a cloak in which the viscera are protected. Techni- 

 cally called the " pallium." 

 Ma-nd'bei-um (Lat. for a handle). The polypite which is suspended from 



the roof of the swimming-bell of a Medmaa, or from the gonooalyx of a 



mednsiform gonophore among the Hydrozoa. 

 Ma'nus (Lat. for the hand). The hand of the higher Vertebrates. 

 Mae-sip-o-beanoh'i-i (Gr. manipos, a pouch ; hragcMa, gills). The order of 



Fishes comprising the Hag-flsnes and Lampreys, with pouch-like gUls. 

 Mae-su-pi-a'li-a (Lat. marsupium, a pouch). An order of Mammals m which 



the females mostly have an abdominal pouch in which the young are carried. 

 Mas'tax (Gr. for mouth). The muscular pharynx or "buccal lunnel" into 



which the mouth opens in most of the Botifera. 

 Mas-ti-oa'to-et (Lat. mastico, I chew). Applied to parts adapted tor chewing. 

 Max-il'l^ (Lat. for jaws). The inferior pair or pairs of jaws in the Arthro- 



poda (Insects, Crustacea, etc.). The upper jaw-bones of Vertebrates. 

 Max-il Li-PEDEs (Lat. maxillw, jaws ; »««, the foot). The limbs in Cruetacea 



and Myriapoda which are convertea into masticatory organs, and are com- 

 monly calfed " foot-jaws." 

 Mu-titit.'t.a (Lat. for marrow). Applied to the marrow of bones, or to the 



spinal cord, with or without the adjective " spinalis.'" 

 Me-du's^. An order of Bydrozoa, commonly mown as Jelly-fishes {IHsco- 



phora, or Acalephce), so called because of the resemblance of their tentacles 



to the snaky hair of the Medusa. Many Medusa are now known to be 



merely the gonophores of Hydrozoa. 

 Me-du'si-foem. Resembling a Medusa in shape. 

 Me-du'soid. Like a Medusa; used substantively to designate the medusiform 



gonophores of the Hydrozoa. 

 Mem-bea'na nic'ti-tans (Lat. nidi, I wink). The third eyelid of Birds, etc 

 Men'tum (Lat. for the chm). The basal portion of the labium or lower lip 



in Insects. 

 Me-eo-stom'a-ta (Gr. meron, thigh ; stoma, mouth). An order of Oruatacea 



in which the appendages which are placed round the mouth, and which 



officiate as jaws, nave their free extremities developed into walking or pre- 

 hensile organs. 

 Mbs-en-te'ei-es (Gr. m.esos, intermediate ; enteron, intestine). In a restricted 



sense, the vertical plates which divide the somatic cavity of a £ea-anemone 



(Actinia) into chambers. 

 Mes-o-po'ot-uk (Gr. mesos, middle ; poos, foot). The middle portion of the 



"foot" of Molluscs. 



