rili: MATRACIIIA OK NORTH AMKIIICA. 



•255 



ynr 



Tin- riiiiiilit'S oj' tliis sii1)oi(U'r .lillrr as follows: 



1. In'ilis iiicst'iil ( |)isi'iii:l(>s.siiitli-:i (iill). 



\'ci U'lii.'i' ii|iistli(>('n'l : HMi-ral <liii|i(i|)li,vst'.s dilatcil ; stt'i'iiiiiii lill'iiiritd'. 



- Dimiiiiliinnitld . 



II. iiil's iilisciit (.siri'iiiiiii mil il<'4'|ilv liit'iii'iMti' ). ( liiil'iiniiiilcii (iill). 

 \. No li'clli ( Vfilflu;!' |irinir! >. 



I (iM|i(i|ilivsfS (if .siiciiiiii (lil:ili'<l Iliit'iiilHlii . 



I >i;i|ic>lili\ xcH (>(' .s:icniiii not ilil.'ilfil Ih inlniiiliriiiiincidfi , 



AA. .M:i\ill:ir.v liTllioiily. 



Ni'l'ti'lii;!' opisllioi III : sarnil iliai)l>|ill\ scs ilihitril ; im'i>n|\ Ir iliNliiii't. 



txli iiiiilir/idiilii . 



NcrlcliiM' |iiociil: r-Miial iliaiPoiilivscN (lilalcil ; iiioslvli' disijiici : niinnal 



lill.llaiiurs cniiic I'l liiliiliitii . 



\'i' I trIiiM' iMiMii'l ; .-.ai'ial iliaini|ilivs<'-* ililalcil ; iiioslxic coiilliii'iii with 



>acnim ; iiiiiiiial |)li;ilaiinrs cinilc Sitijihinjiidii . 



\'rl Icliia' pidio'l: .sacral (li;i|ii>|ilivsts ililalnl ; in iisly Ic tlisi iiirl ; iiliuiial 



|iliahii|i;i's a ciiivril rlaw wil li yloliiilar liaNc Iljiliiln . 



N'crli'lira' pi'iM ii'l : s.-inal ilia|io|i|iy.si'.s iiol illlatcil : iiiost\lt' iVcc ; initial 



jilialaiiys runic, .sometimes tiaiis\cisc at apc\ ('iislnjiuilli'iitii . 



A.\A. .Ma\illar.v and mandilinlar tcctli picsciil. 



Sacral diapnplis scs dilated liiiiiliiiiiiiilliiiiliiiiHilii . 



Sacra I diapopli\ scs not dilated //( mililind lidn . 



Of tlic ahovt' families, four arc foiiml williiii tiir l)oiiii«lari«'.s of tli*^ 

 Ncaii'titt ivcaliii. Tlu'.sc art^ llu' iliifoiiitla', Scapliiopida', llvlidtc, and 

 ill a vciv I'i'W it'picst'iitativi's. the ( ".vstijiiiatliida-. 'riii»'«'of the famiiii's 

 ait' coiiliiM'd to tlu' Neotropical Ikcaltii — the i>i'iidroplirviii.s<-ida-, tlie 

 Aiiipiii^iiatliodontida-, and the llcinipliraclida-. Tlic ll,vli*la- Itclono- 

 to tins fauna iiiitl the Aii.stralian, w itii a lai i^c icprcscntalioii in tlic 

 Xcartie and a very small (»ii«' in tlif Palaarctii' Utaltiis. It is totally 

 wantino- from tin* lOtliiopian, Tlu^ I)i.sco.i;l(»ssida' is lOnropcan, with on«i 

 jit'iins in New Zfaland. it is the only lamily well icprcscntcd by {vr- 

 liary forms. The small family of the Astcroplirydida' art' I'ala'otiopical 

 and Australian, ami the f«'w I'dodytitla-, l'ahcotro|>ical and PahcaKr- 

 tic. The lar;;*' family of the ('ystii^natliidn' arc Ncoiiopical and Aus- 

 tralian only. The r>t)fonida' art; cosmopolitan, and the Scaphiopida' 

 Nt'arclic and i'ala'arctic. Hut the nrcat«'r nnmln'r of the .\rcif«'ra arc 

 N»'otn»i>ical. 



\Vc arc at present ac(|iniintcd with oOl species of this siii»(»rdcr, 

 which represent S| ocneiic types. They re|)re.sent the families in tiie 

 followino' proportions and re;;ions: 



<!rllil';l. Spriii'tt. 



Iljsl I iliiilliiii. 



! *iHci)j;lti'.t'*itl;e 

 A.sli rii|ilir\iliil;e 



I'.lllllMlllM- 



Si ii|iliiii|iiit.i' 



Ihlhhe 



.\lll|illii:il:lllli>(|ii|itii|ic 



lli'liiipliiarliilM' 



CvHti^IiKitliiila' 



Itiiriiliiilj' 



.I K i;. I':il,i an lii;i ( .\ iirtlf. Ilsl. 



I r> i; I'alj >iliii|iir.i. .\ iisii.ilis. 



:i I i; I'al Iii<|>ii'.i. I'al.e iirti( a 



4 7 I; I'.il.iaii'lKM. N'l .III In .1 



III I IMi ii:. I'al.i "iiiipiiai II I'.ila.intii .1, N'l' iii'lJiM, .N'i'ii. 

 I llii|iir 1. .\ii.-.ll,il>?<. 



t I l;. N.'iitri>|>|ia. 



:i ^ It. N'l'iiiiiipii !i. 



.Ti 174 It. Niiiliopiia, .\ ii.-l rails. 



14 lO-J : Ciisiiiiipiillli'. 



i 



