OTPfl^-B Peocellariiformes. 509 



I. Procellariidae. Nostrils united externally above the culmen; 2nd primary 

 the longes t. 



1. Procellariinae. Leg bones shorter than the wing bones; tarsi covered in 

 front ■vfit'h hexagonal scutes; secondaries at least 13. 



2. Oceanitinae. Leg bones longer than the wing bones; tarsi usually cove- 

 red in front with a single shield, or with transverse short scutes; secon- 

 daries 10. 



II. Puffinidae. Nostrils united externally, or nearly so, above the culmen; 

 lst primary the longest, or not shorter than the 2nd. 



1. Puffininae. Sides of the palate without lamellae. 



2. Fulmarinae. Sides of the palate with more or less distincty developed 

 lamellae. 



III. Pelecanoididae. Nostrils distinct, opening upwards on either side of the 

 middle of the base of the culmen; 2nd primary slightly the longest. 



IV. Diomedeidae. Nostrils latéral, separated by the wide culmen, each in a se- 

 parate horny sheath opening forwards; lst primary the longest. 



3to aTÊneme ynepacaHO bï> MOHorpadnn Groc-MAN'a (1907 — 1910) 

 n et, nojiB3y Hero ciuiOHaeTca h Shufeldt 1 ), caivrB 3aHHMaBmiâca 

 ocTeonoriefl Procellariif ormes. 



OôpaTHBmifl oco6eHHoe BHHMaHÏe Ha pojtCTBO Meacjiy <popMaMH 

 9Toro OTpa.ua Pycraft 2 ) #aerB Eain. BecBMa u'kiHa yKa3ama bï> 

 9T0M-B OTHomeHin, tbmi, dojiBe, ito oht. nospoÔHO H3y T iiiJi'b ocTeo- 

 jioriio no^TH bcbx'b po^OBt (KpoirB Garrodia, Halocyptena, Halo- 

 hoena h Pagodroma) h Mor-B 6ojrEe, ^itêm-b kto-jihôo .npyroâ, b3bb- 

 chtb SHa^eme saHHBix'B FoRBEs'a, 3aHMCTBOBaHHBix r b rjraBHKrMt 

 oôpasoMT» H3T) MycKyjiaTypH h BHCHepaoïBHoS aHaTOMia. Oh-b npoTu- 

 BonocTaBJiaeT'B ceiieHCTBO Diomedeidae bcbmi, ocTajiBHHM'B po^aM-B, 

 coc-TaBJiHioniHM'B ceM. Procellariidae] 1131. nocaB^Haro oh-b bhjï- 

 JiHeTt Bt bd^b oco6aro noflceMeflcTBa (Pélecanoidinae) po;rB Peleca- 

 noides, bob ace apyrie 21 po^-B co 100 BH^aMH cqHTaerB 3a o^ho 

 nojceMeâcTBO (Procellariinae), ho pasÔHBaerB ero Ha Tpn, He 3a- 

 cjiyacHBaiomHX'B no ero mhbhIio SHa^ema ho tojibko ceMeficTBB, 

 ho aance h nojtceMeficTB'B, rpynnn, H3B KOTOptix-B hb'B (Oceanitinae 

 n Procellariinae SALvra'a) CHHTaeT'B CToarn,HMH hbckojibko ocoôhh- 

 komi> ot-b TpeTBeS (Puffinidae SALViN'a). Bt> rpacbaiecKofi cxeMB, 

 Btipa»caK)m,eH B3anMOOTHomeHie cpopMt, oh'b Han-B^àeT-B aajiBH'BH- 

 mee fl^jieme nocjrB,HHeH rpynnn Ha Tpa noflrpynnu: Kt oahoh 

 othochtb. Oestrelata, Puffinus, Priofinus, Majaqueus h Buliveria, k/b 



1) Amer. Naturalist, XLI, 1907, pp. 109—124. 



2) Proc. Zool. Soc. London, 1899, pp. 401—403; Godman, Monogr. Pé- 

 trels, pp. XVIII— XIX (1910J. 



