NO. 2.] SCAPULAR AND PELVIC ARCHES. 227 



tila« in contact with coracoid cartilages only ; supporting two 

 bLmalribsat its posterior extremity. Clavicles long, slender, 

 e^nded well anteriorly, simple and in contact d'stally^ Cor. 

 coid procoracoid, and scapula, osseous, confluent. Coracoid 

 ca tila'e not rea hing procoracoid. Pelvic arclu Ilmm elon- 

 .ate Proximal half horizontal, parallel with three vertebra. , 

 Sttl portion decurved and confluent with pubis and >sch.um. 

 L r'elementsboth rudimental, widely -paratedon the me- 

 dian line Hypogastroid cartilage represented by a slender 

 d ex:::ding ost-enony on each side from the P-t.on of th 

 acetabulum. Perhaps these ^-^ilages represent the .sch.a, but 

 thev are possibly present with ischia m Opheodes, ?.f . Poste 

 ITS/ This'consists of femur, tibia and fib"la and fou 

 metatarsals, all enclosed in a common mtegument. It .s about 



^^ ^Tob^rvltloron this genus agree with those of Ftirbringer. 



ANGUIDiE. 



Opheodes striatus Spix. PI. XIII, Fig. 2. Partially de- 

 scribed by MuUer, /..., imperfectly figured by Dumerd and 

 Kbrot^ and well described and figured by Furbrmger.^ South 



"ular and pelvic arches present; no anterior limbs ; pos- 



terior limbs present, rudimental. 



ScapulaZcL AH the elements present ; clave es well devd- 



„„M distallv simple. Interclavicle approximated to them, 

 h^r-sS with very short posterior axis w^ch 's "^^^^ 

 seoarated from the sternum. Scapula, coracoid, and procoracoid 

 e^s confluent ; no coracoid cartilage ^^^^'^^^ 

 a slender rod, wedged between the interclavicle ^"^ *e cM 

 Sternum subtriangular, with shaUow anterior -'*' -PP;j ;"S 

 two haemal ribs on each side. Pelvtc arch. AH the elements 

 pTesenrthe pubis and ischium not in contact on the "l^d-an Ime^ 

 JCticulaWbelowitsmiddlewiththeconfluenW^ 

 of two vertebra. Pubis about as long as flium, *edista half rod 

 like, and separated from its fellow by a ^f^eequ^^l to ts length 

 It terminates in a short cartilaginous rod, which is directed 



1 Erpitohgi< GmM<. Atlas, 1854, H- VH, Figs. 3-7. 

 ' /.f ., pp. 1 1 and 38. 



