Cat.No.7278, Delphinodon dividum True [Type] 
1 mile south of Chesapeake Beach;about 5 feet 
above beach in Zone 5 (3-4 feet above Zone 4); 
William Palmer ;May 30,1908 
Crushed skull,both mandibles,43 teeth,1 periotic; 
1 tympanic;hyoid;6 csrvicals & centrum of 7th; 
9 dorsals;6 lumbars}5 caudals;25 detached epi¬ 
physes ;2 chevrons;more than 17 ribs;scapulae, 
humeri,radii. 
Cat.Ho.8060, 
Cone 
•*« 
1.5 miles south of Chesapeake Beach;in greenish 
sandy clay,about 5 feet above beach level; 
Zone 5; Norman H.Boss; July 5-7,1913. 
Fairly complete skeleton;skull essentially 
complete;both mandibles & both periotics & tympanies] 
present; 7 cervical; 9 dorsal; 4 lumbar 9 & trans¬ 
verse processes of 3 others;10 caudals and an 
piphysis of another;4 chevrons;18 ribs;incomplete 
|Left scapula; right thyrohyal. 
Cat.No.10670, 
— * 
codelphinu 
Cope 
approximately miles south of Chesapeake 
Beach;dug from face of cliff about 3 feet below 
level of oyster shells ( Qstrea percrassa- Zone 4) 
in bluish sandy clay of upper part of Zone 3; 
William Palmer; July,1918. 
Nearly complete but slightly crushed skull; 
both tympanies and periotics are missing;only 3 
teeth preserved. 
Cat.No.10709, 
8 of a kilometer #>uth of Mariiielli Place 
i * * /♦ 
and *f//o miles south of Chesapeake Beach?;in sandy 
clay, 6 feet above oyster shell layer fostrea 
percrassa- Z one 4) . 
Zone 6; Hodney B.Harvey; .June 23,1918. 
3 fragments of rostrum;! dorsal;! lumbar \ 
1 epiphysis Sc fragment;fragment of a mandible 
with 3 teeth in place;1 fragment of palate with 
3 teethe in place;1 ulna;l humerus;61 tj^th; 
