638 GLOSSARY. 



Ly-en-ceph'a-la (Gr. luo, I loose; egjcephalos^ hram). A primary division 

 of Mammals, according to Owen. 



Mao-bo-dao'ty-li (Gr. mairos, long; .daktulos, a- finger). A group of the 

 Wading Birds. 



Ma-obit'ba (Gr. makros, long ; oura, tail). A tribe of Decapod Crustaceans 

 ■with long tails (c. ^.^ne Lobster, Shrimp, etc.). 



Mad-re-pok'i-fobm. Perforated with smallholes, like a coral ; applied to the 

 tubercle by which the ambulaoral system of the EeMnodmTM Taoaiij com- 

 municates with the exterior. 



Mal-a-oo-deem'a-ta. 



Mal-a-oos'tea-oa (Gr. Tnalakos, soft; ostrakon, shell). A division of Crus- 

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

 their shells were softer than those of the MoUusca, 



MAL-LOPH'A-OA(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. maruUbulum, 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. 



Mak'tle. The external integument of most of the Mollusca, which is largely 

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

 cally called the " pallium." 



MA-un'BBi-raf (Lat. for a handle). The polypite which is suspended from 

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

 medusiform gonophore among the Hydrozoa. 



Ma'hus ^Lat. for the hand). The hand of the higher Vertebrates. 



Mab-sip-o-beanoh'i-i (Gr. marsipos, a pouch ; iragchia, gills). The order of 

 fishes comprising the Hag-fishes and Lampreys, with pouoh-like gUls. 



Mae-su-pi-a'li-a (Lat. marsupiwm, 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 mnnel" into 

 which the mouth opens, in most of the BoUfera. 



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



Hak-il'lm (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 Ll-PEDEs (Lat. TnaxiUce, jaws •,pes, the foot). The limbs in Crustacea 

 and MyHc^oda which are converted into masticatory organs, and are com- 

 monly oalHd " foot-jaws." 



Me-dul'la (Lat. for marrow). Applied to the marrow of bones, or to the 

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



Me-dti's.b. An order of Sydrosoa, commonly Known as Jelly-fishes {Disco- 

 pliora, or Acalephoe.), so called because of the resemblance of their tentacles 

 to the shaky hair of the Medusa. Many Medusae are now known to be 

 merely the gOnophores of Hydroma. 



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



Me-do'soid. Like, a Med-usa; used substantively to designate the medusiform 

 gonophores of the Hydrozoa. 



Mem-bba'na oto'ti-tans (Lat. vido, I wink). The third eyelid of Birds, etc. 



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

 in Insects. 



Mb-bo-stom'a-ta (Gr. meron, thigh ; stoma, mouth). An order of Crustacea 

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

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

 hensile organs. 



Mes-ek-te'ei-es (Gr. mesos, intermediate ; enteron, intestine). In a restricted 

 ' sense, the vertical plates which divide the somatic cavity of a Sea-anemone 

 (Actinia) into chambers. 



Mbs-o-po'di-bm (Gr. mssos, middle; pous, foot). The middle portion of the 

 "foot" of Molluscs. 



