anchor.diff:          "create": "/11111111-2222-3333-4444-555555555555"
       },
       "uuid": "11111111-2222-3333-4444-555555555555",
  -    "number_of_rows": 2,
  -    "number_of_columns": 2,
  -    "locations": { 
  -        "A1": [], "A2": [],
  -        "B1": [], "B2": []}
  +    "aliquots": []
   }}
   
   
  -**Create a new filter paper with sample on it.**
  -
  -* `number_of_rows` number of rows in the filter paper
  -* `number_of_columns` number of columns in the filter paper
  -* `locations_description` map aliquots to locations
  +**Create a new filter paper with samples**
  +
  +* `aliquots` 
   POST /filter_papers
   > Accept: application/json
   { "filter_paper": {
  -    "number_of_rows": 2,
  -    "number_of_columns": 2,
  -    "locations_description": { 
  -        "A1": [{ "sample": "11111111-2222-3333-4444-666666666666", "type": "DNA", "quantity": 2 }]
  -    }
  -} }
  +    "aliquots": [
  +        {"sample": "11111111-2222-3333-4444-666666666666", "type": "DNA", "quantity": 2}
  +    ]
  +}}
   < 200
   < Content-Type: application/json
   { "filter_paper": {
  
positive.code: { "bulk_create_filter_paper": {
      "filter_papers": [
          {
              "number_of_rows": 2,
              "number_of_columns": 2,
              "locations_description": {
                  "A1": [ { "sample_uuid": "11111111-2222-3333-4444-000000000000" }
                  ]
              }
          },
          {
              "number_of_rows": 2,
              "number_of_columns": 2,
              "locations_description": {
                  "A1": [ { "sample_uuid": "11111111-2222-3333-4444-111111111111" }
                  ]
              }
          },
          {
              "number_of_rows": 2,
              "number_of_columns": 2,
              "locations_description": {
                  "A1": [ { "sample_uuid": "11111111-2222-3333-4444-222222222222" }
                  ]
              }
          }
      ]
  }}
  
negative.code:                     "delete": "http://example.org/11111111-2222-3333-4444-555555555555"
                  },
                  "uuid": "11111111-2222-3333-4444-555555555555",
                  "aliquots": [
                      {
                          "sample": {
                              "actions": {
                                  "read": "http://example.org/11111111-2222-3333-4444-000000000000",
                                  "update": "http://example.org/11111111-2222-3333-4444-000000000000",
                                  "delete": "http://example.org/11111111-2222-3333-4444-000000000000",
                                  "create": "http://example.org/11111111-2222-3333-4444-000000000000"
                              },
                              "uuid": "11111111-2222-3333-4444-000000000000",
                              "name": "sample 1"
                          },
                          "unit": "mole"
                      }
                  ]
              },
              {
                  "actions": {
  