CARE AND UTILIZATION OF THE COLLECTION. 



27 



the date of filing, so that notes entered in successive years can easily be arranged 

 in sequence. In the upper part of the second column of figure 1 are recorded the 

 dimensions and general character of the specimen, which, of course, necessitates a 

 general classification, for at this time it must be determined whether or not the 

 embryo is normal or pathological. Since the diagnosis is made entirely upon its 

 general appearance and form, it does not follow, when an embryo is classified as 



CARNEGIE INSTITUTION OF WASHINGTON 



OAPARTMENT OF EMBRYOLOGY 

 DESCRIPTION OF SPECIMEN 



No. 



Ertoplc 



No Pregnancy 



Size of Abortion Miss 



Size ol Cbonon 



Size of Chortonlc Cavity 



Dale of Accession 

 Fbtdthn on Arrival 

 Preservation 



Measurement of Embryo (natural curve, straight) 



. C R ' C H G L. 



FRBSH 



FIXATIVE 



FOOT LENGTH 



LENGTH 

 WIDTH 



ABSOLUTE ALCOHOL 

 XYLOL 



Weight of Embryo 



FRESH 



FIXATIVE . 



Weight of PUccnu 



SiM of Placenta 



UORIZ. CIRC. 

 TXAKS. CIXC. 



Cord Length 



.... MALE 

 FEMALI 



.... UNDETERMINED 



CLASSIFICATION 



I o*o 

 NORMAL 



PATHOLOGICAL i _. 



VILU 



CBOKIOH WITH COELOIl 



CUORION WITH AHN1ON 



RODDLU 



CYLIKDRICAL 



STDNTID 



MACERATED. MUMMIFIED 



CROSS REFERENCE 



OVARY 



TVBB 



UTERUS 



SCRAPINGS 



IMPLANTATION 



PLACENTA OR CHORION 



DECIDUA 



INJECTED 



RACIAL 



TWINS 



LOCALIZED ANOMALY 



EXAMINED BY .. 



m . --TTi i , , .__..__. D ATB .. _ 



Fio. 2. Blank upon which preliminary description of specimen is entered. 



normal, that it necessarily is so, but only that it is normal in form. This point 

 will be discussed later. 



In order to facilitate the tabulation of the Key, we have found it necessary to 

 make all descriptions of a specimen on another form (fig. 2), which is so constructed 

 that any data entered are easily transferred to the Key. This information is 



