^""'tfui'.'] i'i4ocEi:i>iN(;.s OF Tin; national museum. 463 



1«U1. 



EXPLANATION OF PLATES. 



PLATK XXNIll. 



Fiy. I. iSlnptobdxis hniijlititinti (..'ope, tootli natiirul size; (ij;. 1 l);i.st! view. 



]''ij;. '2. llijbodnH icynlariH Cope, |'', nat. size, left side ; a .scetimi i)f inicldle of ])o.s- 

 terior groove ; b is .'it iniildle of closed portion. 



I'^ii^. !{. ('It ii(i<(tiilliiis (unhli/jijihias Cope, aliop.t .1 ii;it. wize ; iii;lit side, Ixilli ex- 



t reiiiities lost ; it liitiit view; b scetioii ;it open j^roove ; c section iit broken apex, i 



nat. size. 



l'i..\rK XXIX. 



Fij;. J. MacropctaliditlniH ra2)lniili}labis^.O. &,yj. tyi)o; skull one-tliird n.at. size; 1 

 from altovo ; ~ lioni lielow ; ',\ jiostetior view, l^etttiring; I'to preorhital ; I'lo post- 

 orbital: f central; «</ si|nariiosal ; .Vy> siiprateniporal ; A'o exoeeipital ; .)/o median oc- 

 cipital; Mj' ' maxillary or malar : I'ax parasphenoid ; nc chordal canal. 



I'L.vric XXX. 



Fig."). M(i( roi>vl(iHi lilln/s sii!liv<uilii Newb., cranium, ;', nat. size; 1 from below; '2 

 fVowi bcbind ; front of cranium projx^r l"nuu liebind at suture witb unelial sbield. 

 Fig. 7. Ilolonema sp. pectoral spine, nat. size. 



Plati: xxxi. 



Fig. ('). Diagrams of superior sides of bead sbiidils of Diniclitliyidae. 1 Dinichlhijs 

 tercllii Newb., ,'./ natural size, '2 Titanichtlii/i at/a.ssi;ii Newb., -|\ nat. size ; liotli from 

 Newberry. 



Fig. 11. I'latijmmua lavovianun Cojie, J nat. size ; a vertical band of scab's sliowing 

 Bculjiture. 



Platk xxxir. 



Fig. 8. Mc(jaH(Uth>ix i/i7iV/«.v Cope, type ; about ; nat. size. Fig. 1 bead .nul ])art 

 of body from b( low ; 'i jicad from aiio\i'; '.\ bead from side : 1 bead from fmut. 



Fig. ;•. Mriialithlhiis niliditfi Coyie, sections of bus; 1 of left fore lin ; 2 of rigiit 

 bind lin, both from below; nat. size. 



PlATK XXXIII. 



Fig. li>. f'hili/somits pdhiKiriH Cope, parts of :? individuals, nat. size; 2a-b inferior 

 jiarts of plate band, from '.*, eidatged ; :hi-b front and inferior views of scapular arch 

 from :?, c/ clavicle ; /</ Inter-clavicle. 



