138 HERPETOLOGY AND ICHTHYOLOGY: GLOSSARY. 



ligamentous attachment; whilst to 

 their opposite extremity, which 

 may be compared to the hilt of 

 the dagger, the corresponding fin- 

 rays are affixed by a beautilul 

 articulation. Eacli interspinous 

 bone consists of two pieces united 

 by a suture; one portion represen- 

 ting the blade, the other the handle 

 of the dagger, to which we have 

 compared it. 



INVERTEBRATE, Without vertebrae ; 

 wanting the spinal column. 



/'jus. Th-dt part of the eye in which 

 the pupil is situate ; a vertical par- 

 tition between the anterior and 

 poslerior chambers of the eye. 



I'RJDES. Plural of iris. 



IRRITABILITY. From the Latin irritn, 

 I provoke. A power, possessed by 

 all living organized bodies, of be- 

 ing acted upon by certain stimu- 

 lants, and of moving responsive to 

 or consequently to such stimula- 

 tion. It is the ultimate vital 

 property. 



I'SOLATEP. From the Italian, isola, 

 'an island; (because one who is 

 isolated, resembles an island en- 

 tirely surrounded by water.) Sepa- 

 rated, alone, single. 



JACULA'TOR. Latin. A shooter, a 

 darter, a dart-flinger. Specific 

 name of a shooting-fish. 



LA'BIAL. From the Latin, lalium, 

 lip. Belonging or relating to 

 lips. 



LA BRAX. Greek. Specific name of 

 a kind of Perch. 



LABYRTNTHI'FORM. From the Greek, 

 laliurinthos, a labyrinth, and the 

 Latin, /ormo, form, shape. Syste- 

 matic name of a family of fishes. 



LACE'RTA. Latin. A lizard. 



LACE'RTIAN. Applied to animals re- 

 sembling lizards. 



LACERTINIDA. From the Latin, 

 locerta, a lizard, and the Greek, 

 eidos, resemblance. Systematic 

 name of a family of saurians. 



LACH'RYMAL. lak'-re-mal. From the 

 Latin, Lachryma, a tear. Belong- 

 ing or relating to-tears. 



LAMELLA. Latin. A little thin plate, 

 or piece. 



LAMELLAE. Latin. Plural of lamella. 



LANCEOLATUS. Latin. Lance-shaped. 



LARVA. Latin. A mask. An insect 

 after it has left the egg, and before 

 it assumes the form of a chrysalis, 

 is called a larva, because in this 

 state it is, as it were, masked. 



LARVAE. Latin. Plural of larva. 



LARYNX. From the Greek, larugx, 

 a whistle. The apparatus of vo ce. 



LEuciVcus. Latin. Generic name 

 of the roach. 



LIBERIS. Latin. ( Ablative plural.) 

 Free. 



LIGAMENT. From the Latin, li^are, 

 to tie. A name given to fibrous 

 structures which serve to unite 

 bones, and form articulations. 



LIMAXDA. From the Latin, lima, a 

 file. Specific name of a fish. 



LornoBRAiNCHj'AN. lo-fo-brank'-c-an. 

 From the Greek, lophos, a tuft, or 

 top-knot, and biagcfna, gills. Ap- 

 plied to fishes of the order of 

 Lophobranchii. 



LOPHOBRANCH'II. lo-pho brank'-e-i. 

 Latin. Plural of Lophobranchus. 

 Same derivation as the last. Sys- 

 tematic name of an order of fishes. 



LORICATE. Latin, (plural.) Loricate. 

 Armed with a coat of mail ; clad 

 in armour. 



LOTA. Systematic name of the Ling. 



LOZKNGE-SHAPE. Shaped like a lozenge, 

 which is a figure with four equal 

 sides, forming two acute and two 

 obtuse angles, thus; <> 



Lu'BRicATE. To make smooth or 

 slippery. 



Lu'cius. Latin. A pike. 



MALACOPTKRY'GIAN. From the Greek, 

 malac/ios, soft, and pteruz, fin. Soft- 

 fin. Applied to fishes that have no 

 bony fin rays. 



MALACOPTERYGII. Latin. Plural of 

 malacopterygius. Same derivation 

 as the last. Systematic name of 

 an order of fishes. 



MALAPTE'RURI. Latin. Plural of 

 malapterurus. Formed from mala, 

 much, pteron, fin, and red, I fall 



