340 



ZOOLOGY. 



Order 3. LinguatuUna. — This group comprises remark- 

 able worm-like forms, which are parasites. The young are 

 mite-like, the body spherical, with boring jaws, and two 



Fig. 308. — Milnesium tardigradum^ X 

 130 times. I, mouth-parts; fc, alimentary 

 canal; 01), ovary.— After Doy ere. 



Fig. 309. — Pentastoma toenioides. 

 Natm'al size.— From Verrill. 



Fig. 310.— Ja;odes alMptcmsirom a, partly 

 domesticated moose. The tick natural 

 size, gorged with blood, and its six-legged 

 young, much enlarged, a, beak or man- 

 dibles armed with teeth; 6, maxilla, and 

 c, maxillary palpus; d, a foot with sucker 

 and claws, enlarged. 



Fig. 311.— ixodfs bovis. Natural size 

 and enlarged. 



