2 —_ => 
PLATE I 
Higw 1 Neotoniagion dana, skull-trom aboyes sce seas see eaaeeeneaasieen ne cee ee cece concen cece 
Diet Py pM & skull iniprotile-co ss. -1-feacs se ceedonaone sons soecesttass Secor 
Fig. 3. i re left‘ jaw, OUtSIdG sass. se cadets kets soe sce vanes coke oaee ea ce escce 
Fig. 4. “ skullifromibelowasssc- esse ceases ce tees cnacis ouiecenactsaecionsn cane 
Fig. 5. sf Jenruginea: skullifromabovers=- .<<2<steat steaeae se eiae= ee ace eee ne 
. Fig. 6. st . gkullltiniprotileves2-c-e soe c.semeermees sane ekSac cine eeeames cena 
Fig. 7. os : left: Jaw OU SLUG.R 55-2525 comeonisada dane ananc tenes Sa ee oe cess 
Fig. 8. us eS skullfromobelows << ..v.cilse -saisaeeisouwe secs acre = ss Skeite aeeeree soe 
PLATE II 
Hipd. evectomarcinered, Skull fromiabOve saeco = sot sons seed meee eee ee ee ae sae ieee eee 
Fig. 10. ff sf skulluingprofile :s22 ose aos esse sso eee eater ce ee ace See eee wie 
Fig. 11 fe G3 left jaw, outside. ...-...- deine SO DIKES Re CIn CUE SS ICM ROBE ENE EOC REE eee 
Fig. 12 s skull from below...-..! Fs ee eke a eae Sad eee Mane eee ee eels 
Fig. 13. us MAP Er, TONE AW QUIROS sad Sse et sss eee soe ees ayn rani ney eae me ise 
Hig dw stgmodon nispiaus, Skultrom, aAbOVCsses-c5 ees csasiaes- 2 soadeeeees Soo se cele eee cee eels 
Fig. 15. ef sf SUL EIN prolilo sz ac\ssos es sais a See east ree Lea oe see eceseeitese 
Fig. 16. ce x RG ftp] GWrepO ULE OOr san) doaicen oon. ote ea eet emma salaciear acca 
Fig. 17 ce a BKUlI from Del Owe sac-ses aseccs creas aout seets coe, dns oeecinmieisines see 
PLATE III. 
Fig. 18. Hemmer ys texeanus, Skul Witromt AVOVG>s2— sa.s6 sere cceee manana a aoe fatafoe aeaie ekeeetae wie 
Fig, 19. akolll iniprofile «a 2i0.5..52-sae1- saclese sae oem toes ome kiemece anos 
Fig. 20. i a lettrjarw;, outsides: 25225. 22s ose2 bas oe ee naclainec ins =< scence oom 
Fig. 21. 4 ¥ sicnlletromubaloweeaserins seeeie are xielena ates aaa eee te ed ol ohe wie 
Fig. 22. se gosauninues Sknul from abOVel sce cecs = once - ceeinle cee sien cae etesalecietetesomate 
Fig. 23. LL ce SharlibiMt Wromle te =e pero eae saa 5 See a Se ee ws Seo ahaa eee 
Fig. 24. s & left jaw, outside. ......... ES ewelsiaeers Baacsoon) Come DASAgOmBaA Aces 
Fig. 25. “ skulleframihelow?--<=.<22=. =< ---- Soe ee eee eetaks alah ata 
Fig. 26. « MACK GAnensig: AKUEOM EDONO=c\.56, (sens ce see see catenin coein esse rene ee ene 
Fig. 27. i s PRLS ini FRAT eRe AB reer co arap GancAa nse sapicbedosee cadboeaer 
Fig. 28 a = lefte[Siw OWteld eee it = /=y2=)25 <==ccente ss scare esian <= omnia 
Fig. 29 or s Jeti gingiin WOO pee dene Chas een oben at edenecccuauere SeopES 
Fig. 30 y : SAITO ONIN Cop ocak de coos sea Bae eon rpo ste scape noose. 
Fig. 31. ss GUS nial PORN = Cecatine Se oes ot Sead eennecno or bo oesg -escseseee 
Fig. 32 g Me Neri apis CMG) oe See eee aiden Gobc Seenoene debe. 9a: e Seeeyconeise 
Fig. 33. ss ss GR ONS ON PORGE one BR Berns = EC mmCObOcAe Cann cUSS Sere esse 
Fig. 34 e (OTR OS ELUvationn ENON) oogs Sorte rose UE Sebe aoce BREE Or Gos: Gob esoaeeeesoS 
Fig. 35, « & Siku lun spronle meee ens tea tae a eet see eln= =o ape= 
Fig. 36. ss ss Tesi EGG EE Cae Sea coneeO Beene Snce Seocce DOnE Pore eae Ep cee 
* Fig. 37. o sf SRM GG On gasececeeo chess 4 Otek ceseacc oor Shea Grocers Ee neess 
Fig. 38. Hvotomys gapperi, Skull fromiauove=--—-1.---\\----1-~ == Se Ss Sree ania Sy cletelares cit tenes wa 
Fig. 39. & Cian jhe one oe Se Ce oR Ae ocsn Mocs dee cee ser een MG aoSeCeree 
Fig. 40. ef = Neshtrky enw OMAN G ate mie softs ae 3) <nin sls ale weitere tr nl =sin0,9 mma ma 
Fig. 41. a i BE WISELOINO NOLO = cre vena coins cisisins be eminem eiem cemras cmc eeica sams 
LIST OF 
ILLUSTRATIONS. 
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